diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/api/API.java b/src/main/java/ch/ethz/seb/sebserver/gbl/api/API.java
index 5921303c..12e3b718 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/api/API.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/api/API.java
@@ -10,10 +10,17 @@ package ch.ethz.seb.sebserver.gbl.api;
 
 public final class API {
 
+    public enum BulkActionType {
+        HARD_DELETE,
+        DEACTIVATE,
+        ACTIVATE;
+    }
+
     public static final String PARAM_LOGO_IMAGE = "logoImageBase64";
     public static final String PARAM_INSTITUTION_ID = "institutionId";
     public static final String PARAM_MODEL_ID = "modelId";
     public static final String PARAM_ENTITY_TYPE = "entityType";
+    public static final String PARAM_BULK_ACTION_TYPE = "bulkActionType";
 
     public static final String INSTITUTION_VAR_PATH_SEGMENT = "/{" + PARAM_INSTITUTION_ID + "}";
     public static final String MODEL_ID_VAR_PATH_SEGMENT = "/{" + PARAM_MODEL_ID + "}";
diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/model/EntityType.java b/src/main/java/ch/ethz/seb/sebserver/gbl/api/EntityType.java
similarity index 89%
rename from src/main/java/ch/ethz/seb/sebserver/gbl/model/EntityType.java
rename to src/main/java/ch/ethz/seb/sebserver/gbl/api/EntityType.java
index daa65ae9..77dd0889 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/model/EntityType.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/api/EntityType.java
@@ -1,4 +1,4 @@
-package ch.ethz.seb.sebserver.gbl.model;
+package ch.ethz.seb.sebserver.gbl.api;
 
 import javax.annotation.Generated;
 
diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/authorization/Privilege.java b/src/main/java/ch/ethz/seb/sebserver/gbl/authorization/Privilege.java
index d4fa2561..84ffbe83 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/authorization/Privilege.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/authorization/Privilege.java
@@ -11,7 +11,7 @@ package ch.ethz.seb.sebserver.gbl.authorization;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.user.UserRole;
 
 /** Defines a Privilege by combining a PrivilegeType for base (overall) rights,
diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/model/Entity.java b/src/main/java/ch/ethz/seb/sebserver/gbl/model/Entity.java
index e6e4de8b..ef52448c 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/model/Entity.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/model/Entity.java
@@ -11,6 +11,7 @@ package ch.ethz.seb.sebserver.gbl.model;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 
 import ch.ethz.seb.sebserver.gbl.api.API;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 
 public interface Entity extends ModelIdAware {
 
diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/model/EntityKey.java b/src/main/java/ch/ethz/seb/sebserver/gbl/model/EntityKey.java
index 5a287d6e..978c8085 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/model/EntityKey.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/model/EntityKey.java
@@ -14,6 +14,8 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
+
 public class EntityKey {
 
     @JsonProperty(value = "modelId", required = true)
diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/model/EntityName.java b/src/main/java/ch/ethz/seb/sebserver/gbl/model/EntityName.java
index b53b9d0e..4a18402a 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/model/EntityName.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/model/EntityName.java
@@ -14,6 +14,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
 import ch.ethz.seb.sebserver.gbl.api.API;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class EntityName implements ModelIdAware, ModelNameAware {
diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/model/exam/Exam.java b/src/main/java/ch/ethz/seb/sebserver/gbl/model/exam/Exam.java
index a6d0d774..b8d450f9 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/model/exam/Exam.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/model/exam/Exam.java
@@ -19,10 +19,10 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.api.POSTMapper;
 import ch.ethz.seb.sebserver.gbl.model.Activatable;
 import ch.ethz.seb.sebserver.gbl.model.Domain.EXAM;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.webservice.servicelayer.authorization.GrantEntity;
 
 public final class Exam implements GrantEntity, Activatable {
diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/model/exam/Indicator.java b/src/main/java/ch/ethz/seb/sebserver/gbl/model/exam/Indicator.java
index 266d7423..51647d4f 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/model/exam/Indicator.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/model/exam/Indicator.java
@@ -16,10 +16,10 @@ import javax.validation.constraints.Size;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.Domain.EXAM;
 import ch.ethz.seb.sebserver.gbl.model.Domain.INDICATOR;
 import ch.ethz.seb.sebserver.gbl.model.Domain.THRESHOLD;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.util.Utils;
 import ch.ethz.seb.sebserver.webservice.servicelayer.authorization.GrantEntity;
 
diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/model/institution/Institution.java b/src/main/java/ch/ethz/seb/sebserver/gbl/model/institution/Institution.java
index e6a6c19e..452b0bbb 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/model/institution/Institution.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/model/institution/Institution.java
@@ -16,10 +16,10 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.api.POSTMapper;
 import ch.ethz.seb.sebserver.gbl.model.Activatable;
 import ch.ethz.seb.sebserver.gbl.model.Domain.INSTITUTION;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.webservice.servicelayer.authorization.GrantEntity;
 
 @JsonIgnoreProperties(ignoreUnknown = true)
diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/model/institution/LmsSetup.java b/src/main/java/ch/ethz/seb/sebserver/gbl/model/institution/LmsSetup.java
index 962f5bf6..99c50cb1 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/model/institution/LmsSetup.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/model/institution/LmsSetup.java
@@ -15,12 +15,12 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.api.POSTMapper;
 import ch.ethz.seb.sebserver.gbl.model.Activatable;
 import ch.ethz.seb.sebserver.gbl.model.Domain.INSTITUTION;
 import ch.ethz.seb.sebserver.gbl.model.Domain.LMS_SETUP;
 import ch.ethz.seb.sebserver.gbl.model.EntityName;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.webservice.servicelayer.authorization.GrantEntity;
 
 public final class LmsSetup implements GrantEntity, Activatable {
diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/model/user/UserActivityLog.java b/src/main/java/ch/ethz/seb/sebserver/gbl/model/user/UserActivityLog.java
index e968c2d5..060efb9a 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/model/user/UserActivityLog.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/model/user/UserActivityLog.java
@@ -13,8 +13,8 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
 import ch.ethz.seb.sebserver.gbl.model.Domain.USER_ACTIVITY_LOG;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.Entity;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.webservice.servicelayer.dao.UserActivityLogDAO.ActivityType;
 
 public class UserActivityLog implements Entity {
diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/model/user/UserInfo.java b/src/main/java/ch/ethz/seb/sebserver/gbl/model/user/UserInfo.java
index b6a83c1a..4f7faab0 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/model/user/UserInfo.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/model/user/UserInfo.java
@@ -19,10 +19,10 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.Activatable;
 import ch.ethz.seb.sebserver.gbl.model.Domain.USER;
 import ch.ethz.seb.sebserver.gbl.model.Domain.USER_ROLE;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.util.Utils;
 import ch.ethz.seb.sebserver.webservice.servicelayer.authorization.GrantEntity;
 
diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/model/user/UserMod.java b/src/main/java/ch/ethz/seb/sebserver/gbl/model/user/UserMod.java
index 16128e59..ae915b64 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/model/user/UserMod.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/model/user/UserMod.java
@@ -22,10 +22,10 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.api.POSTMapper;
 import ch.ethz.seb.sebserver.gbl.model.Domain.USER;
 import ch.ethz.seb.sebserver.gbl.model.Domain.USER_ROLE;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.webservice.servicelayer.authorization.GrantEntity;
 
 public final class UserMod implements GrantEntity {
diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/model/user/UserRole.java b/src/main/java/ch/ethz/seb/sebserver/gbl/model/user/UserRole.java
index 355cd9fd..e92c49ff 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/model/user/UserRole.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/model/user/UserRole.java
@@ -8,8 +8,8 @@
 
 package ch.ethz.seb.sebserver.gbl.model.user;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.Entity;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 
 /** Defines the possible user roles of SEB Server users. */
 public enum UserRole implements Entity {
diff --git a/src/main/java/ch/ethz/seb/sebserver/gui/GuiWebsecurityConfig.java b/src/main/java/ch/ethz/seb/sebserver/gui/GuiWebsecurityConfig.java
index 3f1e95c7..392d9f78 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gui/GuiWebsecurityConfig.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gui/GuiWebsecurityConfig.java
@@ -35,7 +35,9 @@ public class GuiWebsecurityConfig extends WebSecurityConfigurerAdapter {
             // RAP/RWT resources has to be accessible
             new AntPathRequestMatcher("/rwt-resources/**"),
             // project specific static resources
-            new AntPathRequestMatcher("/images/**"));
+            new AntPathRequestMatcher("/images/**"),
+
+            new AntPathRequestMatcher("/favicon.ico"));
 
     @Override
     public void configure(final WebSecurity web) {
diff --git a/src/main/java/ch/ethz/seb/sebserver/gui/service/page/PageContext.java b/src/main/java/ch/ethz/seb/sebserver/gui/service/page/PageContext.java
index 63de0b8a..a8842e16 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gui/service/page/PageContext.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gui/service/page/PageContext.java
@@ -12,6 +12,7 @@ import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Shell;
 
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
+import ch.ethz.seb.sebserver.gui.service.i18n.LocTextKey;
 import ch.ethz.seb.sebserver.gui.service.page.action.Action;
 import ch.ethz.seb.sebserver.gui.service.page.action.ActionDefinition;
 import ch.ethz.seb.sebserver.gui.service.page.activity.ActivitySelection;
@@ -129,9 +130,9 @@ public interface PageContext {
     /** Apply a confirm dialog with a specified confirm message and a callback code
      * block that will be executed on users OK selection.
      *
-     * @param confirmMessage
+     * @param confirmMessage the localized confirm message key
      * @param onOK callback code block that will be executed on users OK selection */
-    void applyConfirmDialog(String confirmMessage, Runnable onOK);
+    void applyConfirmDialog(LocTextKey confirmMessage, Runnable onOK);
 
     void forwardToPage(
             PageDefinition pageDefinition,
diff --git a/src/main/java/ch/ethz/seb/sebserver/gui/service/page/action/Action.java b/src/main/java/ch/ethz/seb/sebserver/gui/service/page/action/Action.java
index dbf08893..3a6891b8 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gui/service/page/action/Action.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gui/service/page/action/Action.java
@@ -9,15 +9,14 @@
 package ch.ethz.seb.sebserver.gui.service.page.action;
 
 import java.util.Set;
-import java.util.function.BooleanSupplier;
 import java.util.function.Function;
 import java.util.function.Supplier;
 
-import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import ch.ethz.seb.sebserver.gbl.util.Result;
+import ch.ethz.seb.sebserver.gui.service.i18n.LocTextKey;
 import ch.ethz.seb.sebserver.gui.service.page.PageContext;
 import ch.ethz.seb.sebserver.gui.service.page.PageMessageException;
 import ch.ethz.seb.sebserver.gui.service.page.event.ActionEvent;
@@ -29,9 +28,8 @@ public final class Action implements Runnable {
     private static final Logger log = LoggerFactory.getLogger(Action.class);
 
     public final ActionDefinition definition;
-    String confirmationMessage;
-    BooleanSupplier confirmComdition = () -> true;
-    String successMessage;
+    Supplier<LocTextKey> confirm;
+    LocTextKey successMessage;
     boolean updateOnSelection;
 
     final RestService restService;
@@ -51,10 +49,11 @@ public final class Action implements Runnable {
 
     @Override
     public void run() {
-        if (StringUtils.isNotBlank(this.confirmationMessage) && this.confirmComdition.getAsBoolean()) {
-            this.pageContext.applyConfirmDialog(
-                    this.confirmationMessage,
-                    () -> exec());
+        if (this.confirm != null) {
+            final LocTextKey confirmMessage = this.confirm.get();
+            if (confirmMessage != null) {
+                this.pageContext.applyConfirmDialog(confirmMessage, () -> exec());
+            }
         } else {
             exec();
         }
@@ -89,13 +88,18 @@ public final class Action implements Runnable {
         return this;
     }
 
-    public Action withConfirm(final String confirmationMessage) {
-        this.confirmationMessage = confirmationMessage;
+    public Action withConfirm(final String confirmationMessageKey) {
+        this.confirm = () -> new LocTextKey(confirmationMessageKey);
         return this;
     }
 
-    public Action withSuccess(final String successMessage) {
-        this.successMessage = successMessage;
+    public Action withConfirm(final Supplier<LocTextKey> confirm) {
+        this.confirm = confirm;
+        return this;
+    }
+
+    public Action withSuccess(final String successMessageKey) {
+        this.successMessage = new LocTextKey(successMessageKey);
         return this;
     }
 
diff --git a/src/main/java/ch/ethz/seb/sebserver/gui/service/page/action/InstitutionActions.java b/src/main/java/ch/ethz/seb/sebserver/gui/service/page/action/InstitutionActions.java
index 18b9dd47..aa281d51 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gui/service/page/action/InstitutionActions.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gui/service/page/action/InstitutionActions.java
@@ -14,8 +14,8 @@ import java.util.Collection;
 import java.util.function.Function;
 
 import ch.ethz.seb.sebserver.gbl.api.API;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.institution.Institution;
 import ch.ethz.seb.sebserver.gbl.util.Result;
 import ch.ethz.seb.sebserver.gui.service.page.PageContext;
diff --git a/src/main/java/ch/ethz/seb/sebserver/gui/service/page/content/InstitutionForm.java b/src/main/java/ch/ethz/seb/sebserver/gui/service/page/content/InstitutionForm.java
index c23422cf..82870bdd 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gui/service/page/content/InstitutionForm.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gui/service/page/content/InstitutionForm.java
@@ -8,7 +8,9 @@
 
 package ch.ethz.seb.sebserver.gui.service.page.content;
 
+import java.util.Set;
 import java.util.UUID;
+import java.util.function.Supplier;
 
 import org.apache.commons.lang3.BooleanUtils;
 import org.eclipse.swt.SWT;
@@ -16,13 +18,17 @@ import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Label;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Component;
 
 import ch.ethz.seb.sebserver.gbl.api.API;
+import ch.ethz.seb.sebserver.gbl.api.API.BulkActionType;
 import ch.ethz.seb.sebserver.gbl.authorization.PrivilegeType;
 import ch.ethz.seb.sebserver.gbl.model.Domain;
 import ch.ethz.seb.sebserver.gbl.model.Entity;
+import ch.ethz.seb.sebserver.gbl.model.EntityKey;
 import ch.ethz.seb.sebserver.gbl.model.institution.Institution;
 import ch.ethz.seb.sebserver.gbl.profile.GuiProfile;
 import ch.ethz.seb.sebserver.gui.service.i18n.LocTextKey;
@@ -36,6 +42,7 @@ import ch.ethz.seb.sebserver.gui.service.page.form.FormHandle;
 import ch.ethz.seb.sebserver.gui.service.page.form.PageFormService;
 import ch.ethz.seb.sebserver.gui.service.remote.webservice.api.RestService;
 import ch.ethz.seb.sebserver.gui.service.remote.webservice.api.institution.GetInstitution;
+import ch.ethz.seb.sebserver.gui.service.remote.webservice.api.institution.GetInstitutionDependency;
 import ch.ethz.seb.sebserver.gui.service.remote.webservice.api.institution.NewInstitution;
 import ch.ethz.seb.sebserver.gui.service.remote.webservice.api.institution.SaveInstitution;
 import ch.ethz.seb.sebserver.gui.service.remote.webservice.auth.CurrentUser;
@@ -46,6 +53,8 @@ import ch.ethz.seb.sebserver.gui.service.widget.WidgetFactory;
 @GuiProfile
 public class InstitutionForm implements TemplateComposer {
 
+    private static final Logger log = LoggerFactory.getLogger(InstitutionForm.class);
+
     private final PageFormService pageFormService;
     private final RestService restService;
     private final CurrentUser currentUser;
@@ -62,8 +71,12 @@ public class InstitutionForm implements TemplateComposer {
 
     @Override
     public void compose(final PageContext pageContext) {
-        final WidgetFactory widgetFactory = this.pageFormService.getWidgetFactory();
 
+        if (log.isDebugEnabled()) {
+            log.debug("Compose Institutoion Form");
+        }
+
+        final WidgetFactory widgetFactory = this.pageFormService.getWidgetFactory();
         final boolean readonly = BooleanUtils.toBoolean(
                 pageContext.getAttribute(AttributeKeys.READ_ONLY, "true"));
         final boolean createNew = BooleanUtils.toBoolean(
@@ -165,6 +178,7 @@ public class InstitutionForm implements TemplateComposer {
                 } else {
                     formContext.createAction(ActionDefinition.INSTITUTION_DEACTIVATE)
                             .withExec(InstitutionActions::deactivateInstitution)
+                            .withConfirm(confirmDeactivation(institution))
                             .publish();
                 }
             }
@@ -177,7 +191,27 @@ public class InstitutionForm implements TemplateComposer {
                     .withConfirm("sebserver.overall.action.modify.cancel.confirm")
                     .publish();
         }
+    }
 
+    private Supplier<LocTextKey> confirmDeactivation(final Institution institution) {
+        return () -> {
+            try {
+                final Set<EntityKey> dependencies = this.restService.getBuilder(GetInstitutionDependency.class)
+                        .withURIVariable(API.PARAM_MODEL_ID, String.valueOf(institution.id))
+                        .withQueryParam(API.PARAM_BULK_ACTION_TYPE, BulkActionType.DEACTIVATE.name())
+                        .call()
+                        .getOrThrow();
+                final int size = dependencies.size();
+                if (size > 0) {
+                    return new LocTextKey("sebserver.institution.form.confirm.deactivation", String.valueOf(size));
+                } else {
+                    return new LocTextKey("sebserver.institution.form.confirm.deactivation.noDependencies");
+                }
+            } catch (final Exception e) {
+                log.error("Failed to get dependencyies for Institution: {}", institution, e);
+                return new LocTextKey("sebserver.institution.form.confirm.deactivation", "");
+            }
+        };
     }
 
 }
diff --git a/src/main/java/ch/ethz/seb/sebserver/gui/service/page/impl/PageContextImpl.java b/src/main/java/ch/ethz/seb/sebserver/gui/service/page/impl/PageContextImpl.java
index 8f7b2a11..7c244c41 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gui/service/page/impl/PageContextImpl.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gui/service/page/impl/PageContextImpl.java
@@ -24,10 +24,11 @@ import org.slf4j.LoggerFactory;
 
 import ch.ethz.seb.sebserver.gbl.api.APIMessage;
 import ch.ethz.seb.sebserver.gbl.api.APIMessageError;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.util.Utils;
 import ch.ethz.seb.sebserver.gui.service.i18n.I18nSupport;
+import ch.ethz.seb.sebserver.gui.service.i18n.LocTextKey;
 import ch.ethz.seb.sebserver.gui.service.page.ComposerService;
 import ch.ethz.seb.sebserver.gui.service.page.PageContext;
 import ch.ethz.seb.sebserver.gui.service.page.PageDefinition;
@@ -250,12 +251,13 @@ public class PageContextImpl implements PageContext {
 
     @Override
     @SuppressWarnings("serial")
-    public void applyConfirmDialog(final String confirmMessage, final Runnable onOK) {
+    public void applyConfirmDialog(final LocTextKey confirmMessage, final Runnable onOK) {
         final Message messageBox = new Message(
                 this.root.getShell(),
                 this.i18nSupport.getText("org.sebserver.dialog.confirm.title"),
                 this.i18nSupport.getText(confirmMessage),
                 SWT.OK | SWT.CANCEL);
+        messageBox.setMarkupEnabled(true);
         messageBox.open(new DialogCallback() {
             @Override
             public void dialogClosed(final int returnCode) {
diff --git a/src/main/java/ch/ethz/seb/sebserver/gui/service/remote/webservice/auth/CurrentUser.java b/src/main/java/ch/ethz/seb/sebserver/gui/service/remote/webservice/auth/CurrentUser.java
index 5428c25d..f17db32c 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gui/service/remote/webservice/auth/CurrentUser.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gui/service/remote/webservice/auth/CurrentUser.java
@@ -26,10 +26,10 @@ import org.springframework.stereotype.Component;
 import org.springframework.web.context.WebApplicationContext;
 
 import ch.ethz.seb.sebserver.gbl.api.API;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.authorization.Privilege;
 import ch.ethz.seb.sebserver.gbl.authorization.Privilege.RoleTypeKey;
 import ch.ethz.seb.sebserver.gbl.authorization.PrivilegeType;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.user.UserInfo;
 import ch.ethz.seb.sebserver.gbl.model.user.UserRole;
 import ch.ethz.seb.sebserver.gbl.profile.GuiProfile;
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/authorization/AuthorizationService.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/authorization/AuthorizationService.java
index 2f1fdb79..b4118f24 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/authorization/AuthorizationService.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/authorization/AuthorizationService.java
@@ -11,9 +11,9 @@ package ch.ethz.seb.sebserver.webservice.servicelayer.authorization;
 import java.util.Collection;
 import java.util.Set;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.authorization.Privilege;
 import ch.ethz.seb.sebserver.gbl.authorization.PrivilegeType;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.user.UserInfo;
 import ch.ethz.seb.sebserver.gbl.model.user.UserRole;
 import ch.ethz.seb.sebserver.gbl.util.Result;
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/authorization/AuthorizationServiceImpl.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/authorization/AuthorizationServiceImpl.java
index 2d6ee586..41831cd6 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/authorization/AuthorizationServiceImpl.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/authorization/AuthorizationServiceImpl.java
@@ -19,10 +19,10 @@ import javax.annotation.PostConstruct;
 import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Service;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.authorization.Privilege;
 import ch.ethz.seb.sebserver.gbl.authorization.Privilege.RoleTypeKey;
 import ch.ethz.seb.sebserver.gbl.authorization.PrivilegeType;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.user.UserRole;
 import ch.ethz.seb.sebserver.gbl.profile.WebServiceProfile;
 
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/authorization/PermissionDeniedException.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/authorization/PermissionDeniedException.java
index e82552f9..cf2f9926 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/authorization/PermissionDeniedException.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/authorization/PermissionDeniedException.java
@@ -8,8 +8,8 @@
 
 package ch.ethz.seb.sebserver.webservice.servicelayer.authorization;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.authorization.PrivilegeType;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 
 public class PermissionDeniedException extends RuntimeException {
 
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/bulkaction/BulkAction.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/bulkaction/BulkAction.java
index 97e758ff..fa5fd94f 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/bulkaction/BulkAction.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/bulkaction/BulkAction.java
@@ -16,27 +16,16 @@ import java.util.LinkedHashSet;
 import java.util.Set;
 import java.util.stream.Collectors;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
+import ch.ethz.seb.sebserver.gbl.api.API.BulkActionType;
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.util.Result;
 import ch.ethz.seb.sebserver.gbl.util.Utils;
 import ch.ethz.seb.sebserver.webservice.servicelayer.dao.UserActivityLogDAO.ActivityType;
 
 public final class BulkAction {
 
-    public enum Type {
-        HARD_DELETE(ActivityType.DELETE),
-        DEACTIVATE(ActivityType.DEACTIVATE),
-        ACTIVATE(ActivityType.ACTIVATE);
-
-        public final ActivityType activityType;
-
-        private Type(final ActivityType activityType) {
-            this.activityType = activityType;
-        }
-    }
-
-    public final Type type;
+    public final BulkActionType type;
     public final EntityType sourceType;
     public final Set<EntityKey> sources;
 
@@ -46,7 +35,7 @@ public final class BulkAction {
     boolean alreadyProcessed = false;
 
     public BulkAction(
-            final Type type,
+            final BulkActionType type,
             final EntityType sourceType,
             final Collection<EntityKey> sources) {
 
@@ -60,7 +49,7 @@ public final class BulkAction {
     }
 
     public BulkAction(
-            final Type type,
+            final BulkActionType type,
             final EntityType sourceType,
             final EntityKey... sources) {
 
@@ -86,6 +75,23 @@ public final class BulkAction {
         return Collections.emptySet();
     }
 
+    public ActivityType getActivityType() {
+        if (this.type == null) {
+            return null;
+        }
+
+        switch (this.type) {
+            case ACTIVATE:
+                return ActivityType.ACTIVATE;
+            case DEACTIVATE:
+                return ActivityType.DEACTIVATE;
+            case HARD_DELETE:
+                return ActivityType.DELETE;
+            default:
+                throw new IllegalStateException("There is no ActivityType mapped to the BulkActionType " + this.type);
+        }
+    }
+
     @Override
     public String toString() {
         return "BulkAction [type=" + this.type + ", sourceType=" + this.sourceType + ", sources=" + this.sources + "]";
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/bulkaction/BulkActionService.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/bulkaction/BulkActionService.java
index 05b9f550..92a11f29 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/bulkaction/BulkActionService.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/bulkaction/BulkActionService.java
@@ -17,12 +17,13 @@ import java.util.Map;
 
 import org.springframework.stereotype.Service;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
 import ch.ethz.seb.sebserver.gbl.model.EntityProcessingReport;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.profile.WebServiceProfile;
 import ch.ethz.seb.sebserver.gbl.util.Result;
 import ch.ethz.seb.sebserver.webservice.servicelayer.dao.UserActivityLogDAO;
+import ch.ethz.seb.sebserver.webservice.servicelayer.dao.UserActivityLogDAO.ActivityType;
 
 @Service
 @WebServiceProfile
@@ -103,13 +104,15 @@ public class BulkActionService {
     }
 
     private void processUserActivityLog(final BulkAction action) {
-        if (action.type.activityType == null) {
+        final ActivityType activityType = action.getActivityType();
+
+        if (activityType == null) {
             return;
         }
 
         for (final EntityKey key : action.dependencies) {
             this.userActivityLogDAO.log(
-                    action.type.activityType,
+                    activityType,
                     key.entityType,
                     key.modelId,
                     "bulk action dependency");
@@ -117,7 +120,7 @@ public class BulkActionService {
 
         for (final EntityKey key : action.sources) {
             this.userActivityLogDAO.log(
-                    action.type.activityType,
+                    activityType,
                     key.entityType,
                     key.modelId,
                     "bulk action source");
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/bulkaction/BulkActionSupportDAO.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/bulkaction/BulkActionSupportDAO.java
index 0fa16f81..20029f62 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/bulkaction/BulkActionSupportDAO.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/bulkaction/BulkActionSupportDAO.java
@@ -17,9 +17,9 @@ import java.util.stream.Collectors;
 
 import org.springframework.transaction.annotation.Transactional;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.Entity;
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.util.Result;
 import ch.ethz.seb.sebserver.webservice.servicelayer.dao.ActivatableEntityDAO;
 import ch.ethz.seb.sebserver.webservice.servicelayer.dao.DAOLoggingSupport;
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/EntityDAO.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/EntityDAO.java
index bdead224..a8efc8ff 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/EntityDAO.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/EntityDAO.java
@@ -17,10 +17,10 @@ import java.util.stream.Collectors;
 
 import org.springframework.transaction.annotation.Transactional;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.Entity;
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
 import ch.ethz.seb.sebserver.gbl.model.EntityName;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.ModelIdAware;
 import ch.ethz.seb.sebserver.gbl.util.Result;
 
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/ResourceNotFoundException.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/ResourceNotFoundException.java
index 455319dc..af2103b1 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/ResourceNotFoundException.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/ResourceNotFoundException.java
@@ -11,8 +11,8 @@ package ch.ethz.seb.sebserver.webservice.servicelayer.dao;
 import org.springframework.http.HttpStatus;
 import org.springframework.web.bind.annotation.ResponseStatus;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 
 @ResponseStatus(HttpStatus.NOT_FOUND)
 public final class ResourceNotFoundException extends RuntimeException {
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/UserActivityLogDAO.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/UserActivityLogDAO.java
index 414a5a46..5be4a6d6 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/UserActivityLogDAO.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/UserActivityLogDAO.java
@@ -11,8 +11,8 @@ package ch.ethz.seb.sebserver.webservice.servicelayer.dao;
 import java.util.Collection;
 import java.util.function.Predicate;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.Entity;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.user.UserActivityLog;
 import ch.ethz.seb.sebserver.gbl.util.Result;
 import ch.ethz.seb.sebserver.webservice.servicelayer.authorization.SEBServerUser;
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ExamDAOImpl.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ExamDAOImpl.java
index f7006f5b..4f756eca 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ExamDAOImpl.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ExamDAOImpl.java
@@ -28,8 +28,8 @@ import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 
 import ch.ethz.seb.sebserver.gbl.Constants;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.exam.Exam;
 import ch.ethz.seb.sebserver.gbl.model.exam.Exam.ExamStatus;
 import ch.ethz.seb.sebserver.gbl.model.exam.Exam.ExamType;
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/IndicatorDAOImpl.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/IndicatorDAOImpl.java
index 2ad0dbcd..1abb16ec 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/IndicatorDAOImpl.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/IndicatorDAOImpl.java
@@ -23,8 +23,8 @@ import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.exam.Indicator;
 import ch.ethz.seb.sebserver.gbl.model.exam.Indicator.IndicatorType;
 import ch.ethz.seb.sebserver.gbl.model.exam.Indicator.Threshold;
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/InstitutionDAOImpl.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/InstitutionDAOImpl.java
index 81369231..810f5071 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/InstitutionDAOImpl.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/InstitutionDAOImpl.java
@@ -26,9 +26,9 @@ import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.api.APIMessage.FieldValidationException;
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.institution.Institution;
 import ch.ethz.seb.sebserver.gbl.util.Result;
 import ch.ethz.seb.sebserver.webservice.datalayer.batis.mapper.InstitutionRecordDynamicSqlSupport;
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/LmsSetupDAOImpl.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/LmsSetupDAOImpl.java
index 3e7932ef..423d9b9b 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/LmsSetupDAOImpl.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/LmsSetupDAOImpl.java
@@ -28,8 +28,8 @@ import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 
 import ch.ethz.seb.sebserver.WebSecurityConfig;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.institution.LmsSetup;
 import ch.ethz.seb.sebserver.gbl.model.institution.LmsSetup.LmsType;
 import ch.ethz.seb.sebserver.gbl.util.Result;
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/UserActivityLogDAOImpl.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/UserActivityLogDAOImpl.java
index b9da697f..f7b1bb8b 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/UserActivityLogDAOImpl.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/UserActivityLogDAOImpl.java
@@ -27,9 +27,9 @@ import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.CollectionUtils;
 
 import ch.ethz.seb.sebserver.gbl.Constants;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.Entity;
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.user.UserActivityLog;
 import ch.ethz.seb.sebserver.gbl.util.Result;
 import ch.ethz.seb.sebserver.webservice.datalayer.batis.mapper.UserActivityLogRecordDynamicSqlSupport;
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/UserDaoImpl.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/UserDaoImpl.java
index 661931b8..596a8fe1 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/UserDaoImpl.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/UserDaoImpl.java
@@ -32,10 +32,10 @@ import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 
 import ch.ethz.seb.sebserver.WebSecurityConfig;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.api.APIMessage.APIMessageException;
 import ch.ethz.seb.sebserver.gbl.api.APIMessage.ErrorMessage;
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.user.UserInfo;
 import ch.ethz.seb.sebserver.gbl.model.user.UserMod;
 import ch.ethz.seb.sebserver.gbl.util.Result;
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/ActivatableEntityController.java b/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/ActivatableEntityController.java
index ca248612..5b0ae119 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/ActivatableEntityController.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/ActivatableEntityController.java
@@ -15,10 +15,11 @@ import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.RequestParam;
 
 import ch.ethz.seb.sebserver.gbl.api.API;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
+import ch.ethz.seb.sebserver.gbl.api.API.BulkActionType;
 import ch.ethz.seb.sebserver.gbl.model.Entity;
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
 import ch.ethz.seb.sebserver.gbl.model.EntityProcessingReport;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.Page;
 import ch.ethz.seb.sebserver.gbl.util.Result;
 import ch.ethz.seb.sebserver.webservice.datalayer.batis.mapper.UserRecordDynamicSqlSupport;
@@ -27,7 +28,6 @@ import ch.ethz.seb.sebserver.webservice.servicelayer.authorization.Authorization
 import ch.ethz.seb.sebserver.webservice.servicelayer.authorization.GrantEntity;
 import ch.ethz.seb.sebserver.webservice.servicelayer.authorization.UserService;
 import ch.ethz.seb.sebserver.webservice.servicelayer.bulkaction.BulkAction;
-import ch.ethz.seb.sebserver.webservice.servicelayer.bulkaction.BulkAction.Type;
 import ch.ethz.seb.sebserver.webservice.servicelayer.bulkaction.BulkActionService;
 import ch.ethz.seb.sebserver.webservice.servicelayer.dao.ActivatableEntityDAO;
 import ch.ethz.seb.sebserver.webservice.servicelayer.dao.UserActivityLogDAO;
@@ -124,7 +124,7 @@ public abstract class ActivatableEntityController<T extends GrantEntity, M exten
     private Result<EntityProcessingReport> setActive(final String id, final boolean active) {
         final EntityType entityType = this.entityDAO.entityType();
         final BulkAction bulkAction = new BulkAction(
-                (active) ? Type.ACTIVATE : Type.DEACTIVATE,
+                (active) ? BulkActionType.ACTIVATE : BulkActionType.DEACTIVATE,
                 entityType,
                 new EntityKey(id, entityType));
 
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/EntityController.java b/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/EntityController.java
index 7ae2ee31..69777a5c 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/EntityController.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/EntityController.java
@@ -28,13 +28,14 @@ import org.springframework.web.bind.annotation.RequestParam;
 
 import ch.ethz.seb.sebserver.gbl.Constants;
 import ch.ethz.seb.sebserver.gbl.api.API;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
+import ch.ethz.seb.sebserver.gbl.api.API.BulkActionType;
 import ch.ethz.seb.sebserver.gbl.api.POSTMapper;
 import ch.ethz.seb.sebserver.gbl.authorization.PrivilegeType;
 import ch.ethz.seb.sebserver.gbl.model.Entity;
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
 import ch.ethz.seb.sebserver.gbl.model.EntityName;
 import ch.ethz.seb.sebserver.gbl.model.EntityProcessingReport;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.Page;
 import ch.ethz.seb.sebserver.gbl.util.Result;
 import ch.ethz.seb.sebserver.webservice.servicelayer.PaginationService;
@@ -42,7 +43,6 @@ import ch.ethz.seb.sebserver.webservice.servicelayer.authorization.Authorization
 import ch.ethz.seb.sebserver.webservice.servicelayer.authorization.GrantEntity;
 import ch.ethz.seb.sebserver.webservice.servicelayer.authorization.UserService;
 import ch.ethz.seb.sebserver.webservice.servicelayer.bulkaction.BulkAction;
-import ch.ethz.seb.sebserver.webservice.servicelayer.bulkaction.BulkAction.Type;
 import ch.ethz.seb.sebserver.webservice.servicelayer.bulkaction.BulkActionService;
 import ch.ethz.seb.sebserver.webservice.servicelayer.dao.EntityDAO;
 import ch.ethz.seb.sebserver.webservice.servicelayer.dao.FilterMap;
@@ -150,14 +150,14 @@ public abstract class EntityController<T extends GrantEntity, M extends GrantEnt
             produces = MediaType.APPLICATION_JSON_VALUE)
     public Collection<EntityKey> getDependencies(
             @PathVariable final String modelId,
-            @RequestParam final BulkAction.Type type) {
+            @RequestParam(API.PARAM_BULK_ACTION_TYPE) final BulkActionType bulkActionType) {
 
         this.entityDAO
                 .byModelId(modelId)
                 .flatMap(this.authorization::checkReadonly);
 
         final BulkAction bulkAction = new BulkAction(
-                type,
+                bulkActionType,
                 this.entityDAO.entityType(),
                 Arrays.asList(new EntityKey(modelId, this.entityDAO.entityType())));
 
@@ -302,7 +302,7 @@ public abstract class EntityController<T extends GrantEntity, M extends GrantEnt
     public EntityProcessingReport hardDelete(@PathVariable final String modelId) {
         final EntityType entityType = this.entityDAO.entityType();
         final BulkAction bulkAction = new BulkAction(
-                Type.HARD_DELETE,
+                BulkActionType.HARD_DELETE,
                 entityType,
                 new EntityKey(modelId, entityType));
 
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/ExamAdministrationController.java b/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/ExamAdministrationController.java
index 2a222984..fe39e1b4 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/ExamAdministrationController.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/ExamAdministrationController.java
@@ -31,11 +31,11 @@ import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 import ch.ethz.seb.sebserver.gbl.api.API;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.api.POSTMapper;
 import ch.ethz.seb.sebserver.gbl.authorization.PrivilegeType;
 import ch.ethz.seb.sebserver.gbl.model.Domain.LMS_SETUP;
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.Page;
 import ch.ethz.seb.sebserver.gbl.model.exam.Exam;
 import ch.ethz.seb.sebserver.gbl.model.exam.Indicator;
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/LmsSetupController.java b/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/LmsSetupController.java
index 95513064..febfe533 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/LmsSetupController.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/LmsSetupController.java
@@ -22,9 +22,9 @@ import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.RestController;
 
 import ch.ethz.seb.sebserver.gbl.api.API;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.api.POSTMapper;
 import ch.ethz.seb.sebserver.gbl.authorization.PrivilegeType;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.institution.LmsSetup;
 import ch.ethz.seb.sebserver.gbl.model.institution.LmsSetupTestResult;
 import ch.ethz.seb.sebserver.gbl.profile.WebServiceProfile;
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/QuizImportController.java b/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/QuizImportController.java
index 6e8dbc7c..2dffbdf7 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/QuizImportController.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/QuizImportController.java
@@ -15,10 +15,10 @@ import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 import ch.ethz.seb.sebserver.gbl.api.API;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.authorization.PrivilegeType;
 import ch.ethz.seb.sebserver.gbl.model.Domain.LMS_SETUP;
 import ch.ethz.seb.sebserver.gbl.model.Entity;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.Page;
 import ch.ethz.seb.sebserver.gbl.model.exam.QuizData;
 import ch.ethz.seb.sebserver.gbl.profile.WebServiceProfile;
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/UserActivityLogController.java b/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/UserActivityLogController.java
index 1c136a4f..dd45fe39 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/UserActivityLogController.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/api/UserActivityLogController.java
@@ -18,8 +18,8 @@ import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 import ch.ethz.seb.sebserver.gbl.api.API;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.authorization.PrivilegeType;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.Page;
 import ch.ethz.seb.sebserver.gbl.model.user.UserActivityLog;
 import ch.ethz.seb.sebserver.gbl.profile.WebServiceProfile;
diff --git a/src/main/resources/messages.properties b/src/main/resources/messages.properties
index 2335b66b..aeea2ddd 100644
--- a/src/main/resources/messages.properties
+++ b/src/main/resources/messages.properties
@@ -61,6 +61,8 @@ sebserver.institution.form.title=Institution ({0})
 sebserver.institution.form.name=Name
 sebserver.institution.form.urlSuffix=URL Suffix
 sebserver.institution.form.logoImage=Logo Image
+sebserver.institution.form.confirm.deactivation=Note that there are {0} other entities that belongs to this Institution.<br/>Those will also be deactivated by deactivating this Institution.<br/><br/>Are You sure to deactivate this Institution?
+sebserver.institution.form.confirm.deactivation.noDependencies=Are You sure to deactivate this Institution?
 
 sebserver.form.validation.fieldError.name=Name is mandatory and must have a size between 3 and 255 character
 sebserver.form.validation.fieldError.urlSuffix=URL Suffix must have a size between 3 and 255 character
diff --git a/src/test/java/ch/ethz/seb/sebserver/gbl/model/user/UserActivityLogTest.java b/src/test/java/ch/ethz/seb/sebserver/gbl/model/user/UserActivityLogTest.java
index efe971ed..0f3cf6a8 100644
--- a/src/test/java/ch/ethz/seb/sebserver/gbl/model/user/UserActivityLogTest.java
+++ b/src/test/java/ch/ethz/seb/sebserver/gbl/model/user/UserActivityLogTest.java
@@ -14,8 +14,8 @@ import java.io.IOException;
 
 import org.junit.Test;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.api.JSONMapper;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.webservice.servicelayer.dao.UserActivityLogDAO.ActivityType;
 
 public class UserActivityLogTest {
diff --git a/src/test/java/ch/ethz/seb/sebserver/webservice/integration/api/admin/InstitutionAPITest.java b/src/test/java/ch/ethz/seb/sebserver/webservice/integration/api/admin/InstitutionAPITest.java
index dfd60ee5..538d72d1 100644
--- a/src/test/java/ch/ethz/seb/sebserver/webservice/integration/api/admin/InstitutionAPITest.java
+++ b/src/test/java/ch/ethz/seb/sebserver/webservice/integration/api/admin/InstitutionAPITest.java
@@ -24,14 +24,14 @@ import org.springframework.test.context.jdbc.Sql;
 import com.fasterxml.jackson.core.type.TypeReference;
 
 import ch.ethz.seb.sebserver.gbl.api.API;
+import ch.ethz.seb.sebserver.gbl.api.API.BulkActionType;
 import ch.ethz.seb.sebserver.gbl.api.APIMessage;
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.EntityKey;
 import ch.ethz.seb.sebserver.gbl.model.EntityName;
 import ch.ethz.seb.sebserver.gbl.model.EntityProcessingReport;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.Page;
 import ch.ethz.seb.sebserver.gbl.model.institution.Institution;
-import ch.ethz.seb.sebserver.webservice.servicelayer.bulkaction.BulkAction;
 
 @Sql(scripts = { "classpath:schema-test.sql", "classpath:data-test.sql" })
 public class InstitutionAPITest extends AdministrationAPIIntegrationTester {
@@ -411,7 +411,7 @@ public class InstitutionAPITest extends AdministrationAPIIntegrationTester {
                 .withPath(API.INSTITUTION_ENDPOINT)
                 .withPath("1")
                 .withPath(API.DEPENDENCY_PATH_SEGMENT)
-                .withAttribute("type", BulkAction.Type.DEACTIVATE.name())
+                .withAttribute(API.PARAM_BULK_ACTION_TYPE, BulkActionType.DEACTIVATE.name())
                 .withExpectedStatus(HttpStatus.OK)
                 .getAsObject(new TypeReference<Collection<EntityKey>>() {
                 });
diff --git a/src/test/java/ch/ethz/seb/sebserver/webservice/servicelayer/authorization/AuthorizationServiceTest.java b/src/test/java/ch/ethz/seb/sebserver/webservice/servicelayer/authorization/AuthorizationServiceTest.java
index de2cf105..dc056c27 100644
--- a/src/test/java/ch/ethz/seb/sebserver/webservice/servicelayer/authorization/AuthorizationServiceTest.java
+++ b/src/test/java/ch/ethz/seb/sebserver/webservice/servicelayer/authorization/AuthorizationServiceTest.java
@@ -21,8 +21,8 @@ import org.joda.time.DateTimeZone;
 import org.junit.Test;
 import org.mockito.Mockito;
 
+import ch.ethz.seb.sebserver.gbl.api.EntityType;
 import ch.ethz.seb.sebserver.gbl.authorization.PrivilegeType;
-import ch.ethz.seb.sebserver.gbl.model.EntityType;
 import ch.ethz.seb.sebserver.gbl.model.user.UserInfo;
 import ch.ethz.seb.sebserver.gbl.model.user.UserRole;