diff --git a/src/app/core/resource-policy/resource-policy.service.spec.ts b/src/app/core/resource-policy/resource-policy.service.spec.ts
index 59316c0098..ca62159f59 100644
--- a/src/app/core/resource-policy/resource-policy.service.spec.ts
+++ b/src/app/core/resource-policy/resource-policy.service.spec.ts
@@ -19,6 +19,8 @@ import { createSuccessfulRemoteDataObject } from '../../shared/remote-data.utils
 import { RestResponse } from '../cache/response.models';
 import { RequestEntry } from '../data/request-entry.model';
 import { FindListOptions } from '../data/find-list-options.model';
+import { EPersonDataService } from '../eperson/eperson-data.service';
+import { GroupDataService } from '../eperson/group-data.service';
 
 describe('ResourcePolicyService', () => {
   let scheduler: TestScheduler;
@@ -28,6 +30,8 @@ describe('ResourcePolicyService', () => {
   let objectCache: ObjectCacheService;
   let halService: HALEndpointService;
   let responseCacheEntry: RequestEntry;
+  let ePersonService: EPersonDataService;
+  let groupService: GroupDataService;
 
   const resourcePolicy: any = {
     id: '1',
@@ -129,7 +133,9 @@ describe('ResourcePolicyService', () => {
       halService,
       notificationsService,
       http,
-      comparator
+      comparator,
+      ePersonService,
+      groupService
     );
 
     spyOn((service as any).dataService, 'create').and.callThrough();
diff --git a/src/app/core/resource-policy/resource-policy.service.ts b/src/app/core/resource-policy/resource-policy.service.ts
index 065e58c53d..f4f70a73e2 100644
--- a/src/app/core/resource-policy/resource-policy.service.ts
+++ b/src/app/core/resource-policy/resource-policy.service.ts
@@ -1,6 +1,6 @@
 /* eslint-disable max-classes-per-file */
 import { Injectable } from '@angular/core';
-import { HttpClient } from '@angular/common/http';
+import { HttpClient, HttpHeaders } from '@angular/common/http';
 
 import { Store } from '@ngrx/store';
 import { Observable } from 'rxjs';
@@ -23,11 +23,19 @@ import { PaginatedList } from '../data/paginated-list.model';
 import { ActionType } from './models/action-type.model';
 import { RequestParam } from '../cache/models/request-param.model';
 import { isNotEmpty } from '../../shared/empty.util';
-import { map } from 'rxjs/operators';
+import { map, switchMap, take } from 'rxjs/operators';
 import { NoContent } from '../shared/NoContent.model';
 import { getFirstCompletedRemoteData } from '../shared/operators';
 import { CoreState } from '../core-state.model';
 import { FindListOptions } from '../data/find-list-options.model';
+import { HttpOptions } from '../dspace-rest/dspace-rest.service';
+import { PostRequest } from '../data/request.models';
+import { GenericConstructor } from '../shared/generic-constructor';
+import { ResponseParsingService } from '../data/parsing.service';
+import { StatusCodeOnlyResponseParsingService } from '../data/status-code-only-response-parsing.service';
+import { HALLink } from '../shared/hal-link.model';
+import { EPersonDataService } from '../eperson/eperson-data.service';
+import { GroupDataService } from '../eperson/group-data.service';
 
 
 /**
@@ -44,7 +52,8 @@ class DataServiceImpl extends DataService<ResourcePolicy> {
     protected halService: HALEndpointService,
     protected notificationsService: NotificationsService,
     protected http: HttpClient,
-    protected comparator: ChangeAnalyzer<ResourcePolicy>) {
+    protected comparator: ChangeAnalyzer<ResourcePolicy>,
+  ) {
     super();
   }
 
@@ -68,7 +77,10 @@ export class ResourcePolicyService {
     protected halService: HALEndpointService,
     protected notificationsService: NotificationsService,
     protected http: HttpClient,
-    protected comparator: DefaultChangeAnalyzer<ResourcePolicy>) {
+    protected comparator: DefaultChangeAnalyzer<ResourcePolicy>,
+    protected ePersonService: EPersonDataService,
+    protected groupService: GroupDataService,
+  ) {
     this.dataService = new DataServiceImpl(requestService, rdbService, null, objectCache, halService, notificationsService, http, comparator);
   }
 
@@ -221,4 +233,39 @@ export class ResourcePolicyService {
     return this.dataService.searchBy(this.searchByResourceMethod, options, useCachedVersionIfAvailable, reRequestOnStale, ...linksToFollow);
   }
 
+  /**
+   * Update the target of the resource policy
+   * @param resourcePolicyHref the link to the resource policy
+   * @param uuid the UUID of the target to which the permission is being granted
+   * @param type the type of the target (eperson or group) to which the permission is being granted
+   */
+  updateTarget(resourcePolicyHref: string, uuid: string, type: string): Observable<RemoteData<any>> {
+
+    const targetService = type === 'eperson' ? this.ePersonService : this.groupService;
+
+    const ep$ = targetService.getBrowseEndpoint().pipe(
+      take(1),
+      map((endpoint: string) =>`${endpoint}/${uuid}`),
+    );
+
+    const options: HttpOptions = Object.create({});
+    let headers = new HttpHeaders();
+    headers = headers.append('Content-Type', 'text/uri-list');
+    options.headers = headers;
+
+    const requestId = this.requestService.generateRequestId();
+
+    return ep$.pipe(switchMap((ep) => {
+      const request = new PostRequest(requestId, resourcePolicyHref, ep, options);
+      Object.assign(request, {
+        getResponseParser(): GenericConstructor<ResponseParsingService> {
+          return StatusCodeOnlyResponseParsingService;
+        }
+      });
+      this.requestService.send(request);
+      return this.rdbService.buildFromRequestUUID(requestId);
+    }));
+
+  }
+
 }
diff --git a/src/app/shared/resource-policies/edit/resource-policy-edit.component.ts b/src/app/shared/resource-policies/edit/resource-policy-edit.component.ts
index a515eef675..d2c1b6dd0d 100644
--- a/src/app/shared/resource-policies/edit/resource-policy-edit.component.ts
+++ b/src/app/shared/resource-policies/edit/resource-policy-edit.component.ts
@@ -1,7 +1,7 @@
 import { Component, OnInit } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
 
-import { BehaviorSubject, Observable } from 'rxjs';
+import { BehaviorSubject, Observable, of, combineLatest as observableCombineLatest, } from 'rxjs';
 import { map, take } from 'rxjs/operators';
 import { TranslateService } from '@ngx-translate/core';
 
@@ -88,16 +88,29 @@ export class ResourcePolicyEditComponent implements OnInit {
       type: RESOURCE_POLICY.value,
       _links: this.resourcePolicy._links
     });
-    this.resourcePolicyService.update(updatedObject).pipe(
+
+    const updateTargetSucceeded$ = event.updateTarget ? this.resourcePolicyService.updateTarget(
+      this.resourcePolicy._links.self.href, event.target.uuid, event.target.type
+    ).pipe(
       getFirstCompletedRemoteData(),
-    ).subscribe((responseRD: RemoteData<ResourcePolicy>) => {
-      this.processing$.next(false);
-      if (responseRD && responseRD.hasSucceeded) {
-        this.notificationsService.success(null, this.translate.get('resource-policies.edit.page.success.content'));
-        this.redirectToAuthorizationsPage();
-      } else {
-        this.notificationsService.error(null, this.translate.get('resource-policies.edit.page.failure.content'));
+      map((responseRD) => responseRD && responseRD.hasSucceeded)
+    ) : of(true);
+
+    const updateResourcePolicySucceeded$ = this.resourcePolicyService.update(updatedObject).pipe(
+      getFirstCompletedRemoteData(),
+      map((responseRD) => responseRD && responseRD.hasSucceeded)
+    );
+
+    observableCombineLatest([updateTargetSucceeded$, updateResourcePolicySucceeded$]).subscribe(
+      ([updateTargetSucceeded, updateResourcePolicySucceeded]) => {
+        this.processing$.next(false);
+        if (updateTargetSucceeded && updateResourcePolicySucceeded) {
+          this.notificationsService.success(null, this.translate.get('resource-policies.edit.page.success.content'));
+          this.redirectToAuthorizationsPage();
+        } else {
+          this.notificationsService.error(null, this.translate.get('resource-policies.edit.page.failure.content'));
+        }
       }
-    });
+    );
   }
 }
diff --git a/src/app/shared/resource-policies/form/resource-policy-form.component.html b/src/app/shared/resource-policies/form/resource-policy-form.component.html
index 821d15f414..f7aad55ce8 100644
--- a/src/app/shared/resource-policies/form/resource-policy-form.component.html
+++ b/src/app/shared/resource-policies/form/resource-policy-form.component.html
@@ -55,15 +55,24 @@
 
 <ng-template #content let-modal>
   <div class="modal-header">
-    <h4 class="modal-title" id="modal-basic-title">TITLE</h4>
+    <h4 class="modal-title" id="modal-basic-title">{{ 'resource-policies.form.eperson-group-list.modal.header' | translate }}</h4>
     <button type="button" class="close" aria-label="Close" (click)="modal.close()">
       <span aria-hidden="true">&times;</span>
     </button>
   </div>
   <div class="modal-body">
-    TEXT
+    <div class="d-flex flex-row">
+      <div class="mr-3">
+        <i class="fas fa-info-circle fa-2x text-info"></i>
+      </div>
+      <div>
+      <p [innerHTML]="(navActiveId === 'eperson' ? 'resource-policies.form.eperson-group-list.modal.text1.toGroup' :
+       'resource-policies.form.eperson-group-list.modal.text1.toEPerson') | translate" class="font-weight-bold"></p>
+      <p [innerHTML]="'resource-policies.form.eperson-group-list.modal.text2' | translate"></p>
+      </div>
+    </div>
   </div>
   <div class="modal-footer">
-    <button type="button" class="btn btn-outline-dark" (click)="modal.close()">Ok</button>
+    <button type="button" class="btn btn-secondary" (click)="modal.close()">{{ 'resource-policies.form.eperson-group-list.modal.close' | translate }}</button>
   </div>
 </ng-template>
diff --git a/src/app/shared/resource-policies/form/resource-policy-form.component.spec.ts b/src/app/shared/resource-policies/form/resource-policy-form.component.spec.ts
index c31a65c1f6..456eb6db5e 100644
--- a/src/app/shared/resource-policies/form/resource-policy-form.component.spec.ts
+++ b/src/app/shared/resource-policies/form/resource-policy-form.component.spec.ts
@@ -222,6 +222,8 @@ describe('ResourcePolicyFormComponent test suite', () => {
 
       testFixture = createTestComponent(html, TestComponent) as ComponentFixture<TestComponent>;
       testComp = testFixture.componentInstance;
+      testComp.resourcePolicy = resourcePolicy;
+      fixture.detectChanges();
     });
 
     afterEach(() => {
@@ -242,6 +244,7 @@ describe('ResourcePolicyFormComponent test suite', () => {
       fixture = TestBed.createComponent(ResourcePolicyFormComponent);
       comp = fixture.componentInstance;
       compAsAny = fixture.componentInstance;
+      compAsAny.resourcePolicy = resourcePolicy;
       comp.isProcessing = observableOf(false);
     });
 
@@ -261,7 +264,7 @@ describe('ResourcePolicyFormComponent test suite', () => {
       expect(compAsAny.buildResourcePolicyForm).toHaveBeenCalled();
       expect(compAsAny.initModelsValue).toHaveBeenCalled();
       expect(compAsAny.formModel.length).toBe(5);
-      expect(compAsAny.subs.length).toBe(0);
+      expect(compAsAny.subs.length).toBe(1);
 
     });
 
@@ -279,7 +282,7 @@ describe('ResourcePolicyFormComponent test suite', () => {
       expect(compAsAny.reset.emit).toHaveBeenCalled();
     });
 
-    it('should  update resource policy grant object properly', () => {
+    it('should update resource policy grant object properly', () => {
       comp.updateObjectSelected(EPersonMock, true);
 
       expect(comp.resourcePolicyGrant).toEqual(EPersonMock);
@@ -301,6 +304,7 @@ describe('ResourcePolicyFormComponent test suite', () => {
       comp = fixture.componentInstance;
       compAsAny = fixture.componentInstance;
       comp.resourcePolicy = resourcePolicy;
+      compAsAny.resourcePolicy = resourcePolicy;
       comp.isProcessing = observableOf(false);
       compAsAny.ePersonService.findByHref.and.returnValue(
         observableOf(createSuccessfulRemoteDataObject({})).pipe(delay(100))
@@ -343,8 +347,8 @@ describe('ResourcePolicyFormComponent test suite', () => {
       });
     });
 
-    it('should not can set grant', () => {
-      expect(comp.isBeingEdited()).toBeFalsy();
+    it('should be being edited', () => {
+      expect(comp.isBeingEdited()).toBeTrue();
     });
 
     it('should have a target name', () => {
@@ -398,6 +402,7 @@ describe('ResourcePolicyFormComponent test suite', () => {
         type: 'group',
         uuid: GroupMock.id
       };
+      eventPayload.updateTarget = false;
 
       scheduler = getTestScheduler();
       scheduler.schedule(() => comp.onSubmit());
diff --git a/src/app/shared/resource-policies/form/resource-policy-form.component.ts b/src/app/shared/resource-policies/form/resource-policy-form.component.ts
index ea49433db0..2783200d8f 100644
--- a/src/app/shared/resource-policies/form/resource-policy-form.component.ts
+++ b/src/app/shared/resource-policies/form/resource-policy-form.component.ts
@@ -49,6 +49,7 @@ export interface ResourcePolicyEvent {
     type: string,
     uuid: string
   };
+  updateTarget: boolean;
 }
 
 @Component({
@@ -130,6 +131,8 @@ export class ResourcePolicyFormComponent implements OnInit, OnDestroy {
 
   navActiveId: string;
 
+  resourcePolicyTargetUpdated = false;
+
   /**
    * Initialize instance variables
    *
@@ -278,6 +281,7 @@ export class ResourcePolicyFormComponent implements OnInit, OnDestroy {
    * Update reference to the eperson or group that will be granted the permission
    */
   updateObjectSelected(object: DSpaceObject, isEPerson: boolean): void {
+    this.resourcePolicyTargetUpdated = true;
     this.resourcePolicyGrant = object;
     this.resourcePolicyGrantType = isEPerson ? 'eperson' : 'group';
     this.resourcePolicyTargetName$.next(this.getResourcePolicyTargetName());
@@ -304,6 +308,7 @@ export class ResourcePolicyFormComponent implements OnInit, OnDestroy {
           type: this.resourcePolicyGrantType,
           uuid: this.resourcePolicyGrant.id
         };
+        eventPayload.updateTarget = this.resourcePolicyTargetUpdated;
         this.submit.emit(eventPayload);
       });
   }
diff --git a/src/assets/i18n/en.json5 b/src/assets/i18n/en.json5
index a7ce942e7d..dfc715b72b 100644
--- a/src/assets/i18n/en.json5
+++ b/src/assets/i18n/en.json5
@@ -3136,6 +3136,16 @@
 
   "resource-policies.form.eperson-group-list.table.headers.name": "Name",
 
+  "resource-policies.form.eperson-group-list.modal.header": "Cannot change type",
+
+  "resource-policies.form.eperson-group-list.modal.text1.toGroup": "It is not possible to replace an ePerson with a group.",
+
+  "resource-policies.form.eperson-group-list.modal.text1.toEPerson": "It is not possible to replace a group with an ePerson.",
+
+  "resource-policies.form.eperson-group-list.modal.text2": "Delete the current resource policy and create a new one with the desired type.",
+
+  "resource-policies.form.eperson-group-list.modal.close": "Ok",
+
   "resource-policies.form.date.end.label": "End Date",
 
   "resource-policies.form.date.start.label": "Start Date",