diff --git a/alfa-client/apps/admin/src/main.ts b/alfa-client/apps/admin/src/main.ts
index e52cca37a4bb2ba62708e875a8a122f13548a2f9..bc43c6b29165f379489415815e05864069349131 100644
--- a/alfa-client/apps/admin/src/main.ts
+++ b/alfa-client/apps/admin/src/main.ts
@@ -21,15 +21,11 @@
  * Die sprachspezifischen Genehmigungen und Beschränkungen
  * unter der Lizenz sind dem Lizenztext zu entnehmen.
  */
-import { AggregationMappingProvider } from '@admin-client/reporting-shared';
-import { ApiRootModule } from '@alfa-client/api-root-shared';
-import { EnvironmentModule, loadEnvironment } from '@alfa-client/environment-shared';
-import { enableProdMode, importProvidersFrom } from '@angular/core';
-import { isNil } from 'lodash-es';
-
 import { CONFIGURATION_FEATURE_KEY, configurationReducer } from '@admin-client/configuration-shared';
 import { POSTFACH_FEATURE_KEY, postfachReducer } from '@admin-client/postfach-shared';
+import { AggregationMappingProvider } from '@admin-client/reporting-shared';
 import { ApiRootModule } from '@alfa-client/api-root-shared';
+import { EnvironmentModule, loadEnvironment } from '@alfa-client/environment-shared';
 import { NavigationSharedModule } from '@alfa-client/navigation-shared';
 import { registerLocaleData } from '@angular/common';
 import { HTTP_INTERCEPTORS, provideHttpClient, withInterceptorsFromDi } from '@angular/common/http';
@@ -54,10 +50,6 @@ import { ConfigurationsProviders } from 'libs/admin/configuration-shared/src/lib
 import { PostfachProviders } from 'libs/admin/postfach-shared/src/lib/postfach.providers';
 import { SettingsProviders } from 'libs/admin/settings-shared/src/lib/settings.providers';
 import { UserProviders } from 'libs/admin/user/src/lib/user.providers';
-import {
-  ORGANISATIONS_EINHEIT_FEATURE_KEY,
-  organisationsEinheitReducer,
-} from '../../../libs/admin/organisations-einheit-shared/src/lib/organisations-einheit-resource.service';
 import { isNil } from 'lodash-es';
 import { HttpBinaryFileInterceptor } from '../../../libs/tech-shared/src/lib/interceptor/http-binary-file.interceptor';
 import { HttpXsrfInterceptor } from '../../../libs/tech-shared/src/lib/interceptor/http-xsrf.interceptor';
@@ -117,7 +109,6 @@ loadEnvironment(environment.environmentUrl).then((env) => {
         StoreModule.forRoot({}),
         StoreModule.forFeature(CONFIGURATION_FEATURE_KEY, configurationReducer),
         StoreModule.forFeature(POSTFACH_FEATURE_KEY, postfachReducer),
-        StoreModule.forFeature(ORGANISATIONS_EINHEIT_FEATURE_KEY, organisationsEinheitReducer),
         EffectsModule.forRoot(),
         StoreRouterConnectingModule.forRoot(),
         OAuthModule.forRoot({
diff --git a/alfa-client/libs/admin/reporting-shared/src/lib/aggregation-mapping-resource.service.ts b/alfa-client/libs/admin/reporting-shared/src/lib/aggregation-mapping-resource.service.ts
index b35ace76f241fc664783a82db59ae071bd4d9b25..8f96d053a24b8d10c4878d99dc75ce7fae2506a9 100644
--- a/alfa-client/libs/admin/reporting-shared/src/lib/aggregation-mapping-resource.service.ts
+++ b/alfa-client/libs/admin/reporting-shared/src/lib/aggregation-mapping-resource.service.ts
@@ -1,14 +1,9 @@
 import { ConfigurationLinkRel, ConfigurationResource, ConfigurationService } from '@admin-client/configuration-shared';
-import {
-  ApiListResourceService,
-  ListResourceServiceConfig,
-  ResourceListService,
-  ResourceRepository,
-} from '@alfa-client/tech-shared';
+import { ApiListResourceService, ListResourceServiceConfig, ResourceRepository } from '@alfa-client/tech-shared';
 import { AggregationMappingListLinkRel } from './aggregation-mapping.linkrel';
 import { AggregationMappingListResource, AggregationMappingResource } from './aggregation-mapping.model';
 
-export class AggregationMappingListResourceService extends ResourceListService<
+export class AggregationMappingListResourceService extends ApiListResourceService<
   ConfigurationResource,
   AggregationMappingListResource,
   AggregationMappingResource
diff --git a/alfa-client/libs/command-shared/src/lib/command-resource.service.spec.ts b/alfa-client/libs/command-shared/src/lib/command-resource.service.spec.ts
index 99e8e1433bc00c9de2f086a1bfbfc1314cc5ae71..4eb48bcd8351237ee55966c890df0522071ca148 100644
--- a/alfa-client/libs/command-shared/src/lib/command-resource.service.spec.ts
+++ b/alfa-client/libs/command-shared/src/lib/command-resource.service.spec.ts
@@ -34,21 +34,12 @@ import {
 import { Mock, mock, useFromMock } from '@alfa-client/test-utils';
 import { Resource } from '@ngxp/rest';
 import { Observable, of, take } from 'rxjs';
-import {
-  createCommandResource,
-  createCreateCommandProps,
-  createDoneCommandResource,
-} from '../../../command-shared/test/command';
-import { multiCold, singleCold } from '../../../tech-shared/test/marbles';
+import { createCommandResource, createCreateCommandProps, createDoneCommandResource } from '../../../command-shared/test/command';
+import { multipleCold, singleCold } from '../../../tech-shared/test/marbles';
 import { createDummyResource } from '../../../tech-shared/test/resource';
 import { CommandResourceService } from './command-resource.service';
 import { CommandLinkRel } from './command.linkrel';
-import {
-  CommandResource,
-  CreateCommandProps,
-  DeleteCommandProps,
-  SaveCommandProps,
-} from './command.model';
+import { CommandResource, CreateCommandProps, DeleteCommandProps, SaveCommandProps } from './command.model';
 import { CommandService } from './command.service';
 import { getEffectedResourceUrl } from './command.util';
 
@@ -82,9 +73,7 @@ describe('CommandResourceService', () => {
       delete: { order: deleteOrder, linkRel: deleteLinkRel },
     };
     stateService = mock(StateService);
-    stateService.createSingleResourceService = jest
-      .fn()
-      .mockReturnValue(mock(SingleResourceStateService));
+    stateService.createSingleResourceService = jest.fn().mockReturnValue(mock(SingleResourceStateService));
     commandService = mock(CommandService);
 
     service = new CommandResourceService(config, useFromMock(stateService), useFromMock(commandService));
@@ -99,17 +88,12 @@ describe('CommandResourceService', () => {
 
     const dummyToSave: unknown = {};
 
-    const commandResource: CommandResource = createCommandResource([
-      CommandLinkRel.EFFECTED_RESOURCE,
-    ]);
-    const commandStateResource: StateResource<CommandResource> =
-      createStateResource(commandResource);
+    const commandResource: CommandResource = createCommandResource([CommandLinkRel.EFFECTED_RESOURCE]);
+    const commandStateResource: StateResource<CommandResource> = createStateResource(commandResource);
 
     beforeEach(() => {
       service.doSave = jest.fn().mockReturnValue(of(commandStateResource));
-      service.resourceStateService.selectResource = jest
-        .fn()
-        .mockReturnValue(of(dummyStateResource));
+      service.resourceStateService.selectResource = jest.fn().mockReturnValue(of(dummyStateResource));
       service.loadByResourceUri = jest.fn();
     });
 
@@ -124,20 +108,15 @@ describe('CommandResourceService', () => {
     it('should loadByResourceUri on sucessfully done command', () => {
       service.save(dummyToSave).pipe(take(FIRST_EMIT_AFTER_INITIAL_START_EMIT)).subscribe();
 
-      expect(service.loadByResourceUri).toHaveBeenCalledWith(
-        getEffectedResourceUrl(commandResource),
-      );
+      expect(service.loadByResourceUri).toHaveBeenCalledWith(getEffectedResourceUrl(commandResource));
     });
 
     it('should return initial value', () => {
       service.doSave = jest.fn().mockReturnValue(singleCold(commandStateResource, '-a'));
 
-      const initialResponse$: Observable<StateResource<CommandResource>> =
-        service.save(dummyToSave);
+      const initialResponse$: Observable<StateResource<CommandResource>> = service.save(dummyToSave);
 
-      expect(initialResponse$).toBeObservable(
-        multiCold({ a: createEmptyStateResource(true), b: commandStateResource }),
-      );
+      expect(initialResponse$).toBeObservable(multipleCold(createEmptyStateResource(true), commandStateResource));
     });
   });
 
@@ -150,9 +129,7 @@ describe('CommandResourceService', () => {
     let buildSaveCommandPropsSpy: jest.SpyInstance;
 
     beforeEach(() => {
-      buildSaveCommandPropsSpy = service.buildSaveCommandProps = jest
-        .fn()
-        .mockReturnValue(createCommandProps);
+      buildSaveCommandPropsSpy = service.buildSaveCommandProps = jest.fn().mockReturnValue(createCommandProps);
     });
 
     it('should call command service', () => {
@@ -164,11 +141,7 @@ describe('CommandResourceService', () => {
     it('should build command', () => {
       service.doSave(dummyResource, dummyToSave, saveCommandProps);
 
-      expect(buildSaveCommandPropsSpy).toHaveBeenCalledWith(
-        dummyResource,
-        dummyToSave,
-        saveCommandProps,
-      );
+      expect(buildSaveCommandPropsSpy).toHaveBeenCalledWith(dummyResource, dummyToSave, saveCommandProps);
     });
   });
 
@@ -224,14 +197,11 @@ describe('CommandResourceService', () => {
     const FIRST_EMIT_AFTER_INITIAL_START_EMIT: number = 2;
 
     const commandResource: CommandResource = createDoneCommandResource();
-    const commandStateResource: StateResource<CommandResource> =
-      createStateResource(commandResource);
+    const commandStateResource: StateResource<CommandResource> = createStateResource(commandResource);
 
     beforeEach(() => {
       service.doDelete = jest.fn().mockReturnValue(of(commandStateResource));
-      service.resourceStateService.selectResource = jest
-        .fn()
-        .mockReturnValue(of(dummyStateResource));
+      service.resourceStateService.selectResource = jest.fn().mockReturnValue(of(dummyStateResource));
       service.clearResource = jest.fn();
     });
 
@@ -254,9 +224,7 @@ describe('CommandResourceService', () => {
 
       const initialResponse$: Observable<StateResource<CommandResource>> = service.delete();
 
-      expect(initialResponse$).toBeObservable(
-        multiCold({ a: createEmptyStateResource(true), b: commandStateResource }),
-      );
+      expect(initialResponse$).toBeObservable(multipleCold(createEmptyStateResource(true), commandStateResource));
     });
   });
 
@@ -268,9 +236,7 @@ describe('CommandResourceService', () => {
     let buildDeleteCommandPropsSpy: jest.SpyInstance;
 
     beforeEach(() => {
-      buildDeleteCommandPropsSpy = service.buildDeleteCommandProps = jest
-        .fn()
-        .mockReturnValue(createCommandProps);
+      buildDeleteCommandPropsSpy = service.buildDeleteCommandProps = jest.fn().mockReturnValue(createCommandProps);
     });
 
     it('should call command service', () => {
@@ -291,48 +257,33 @@ describe('CommandResourceService', () => {
     const deleteCommandProps: SaveCommandProps = { snackBarMessage: EMPTY_STRING };
 
     it('should have resource', () => {
-      const props: CreateCommandProps = service.buildDeleteCommandProps(
-        resource,
-        deleteCommandProps,
-      );
+      const props: CreateCommandProps = service.buildDeleteCommandProps(resource, deleteCommandProps);
 
       expect(props.resource).toBe(resource);
     });
 
     it('should have linkRel', () => {
-      const props: CreateCommandProps = service.buildDeleteCommandProps(
-        resource,
-        deleteCommandProps,
-      );
+      const props: CreateCommandProps = service.buildDeleteCommandProps(resource, deleteCommandProps);
 
       expect(props.linkRel).toBe(deleteLinkRel);
     });
 
     describe('command', () => {
       it('should have order', () => {
-        const props: CreateCommandProps = service.buildDeleteCommandProps(
-          resource,
-          deleteCommandProps,
-        );
+        const props: CreateCommandProps = service.buildDeleteCommandProps(resource, deleteCommandProps);
 
         expect(props.command.order).toBe(deleteOrder);
       });
 
       it('should have body', () => {
-        const props: CreateCommandProps = service.buildDeleteCommandProps(
-          resource,
-          deleteCommandProps,
-        );
+        const props: CreateCommandProps = service.buildDeleteCommandProps(resource, deleteCommandProps);
 
         expect(props.command.body).toBeNull();
       });
     });
 
     it('should have snackBarMessage', () => {
-      const props: CreateCommandProps = service.buildDeleteCommandProps(
-        resource,
-        deleteCommandProps,
-      );
+      const props: CreateCommandProps = service.buildDeleteCommandProps(resource, deleteCommandProps);
 
       expect(props.snackBarMessage).toBe(deleteCommandProps.snackBarMessage);
     });
diff --git a/alfa-client/libs/tech-shared/src/lib/resource/api-list-resource.service.spec.ts b/alfa-client/libs/tech-shared/src/lib/resource/api-list-resource.service.spec.ts
index c32be68df5eba0d5728116ccd8da3a616132fb8c..87451e3301ee1530a3e6a5ecda5dac37d179d979 100644
--- a/alfa-client/libs/tech-shared/src/lib/resource/api-list-resource.service.spec.ts
+++ b/alfa-client/libs/tech-shared/src/lib/resource/api-list-resource.service.spec.ts
@@ -2,22 +2,12 @@ import { mock, Mock, useFromMock } from '@alfa-client/test-utils';
 import { Resource } from '@ngxp/rest';
 import { BehaviorSubject, Observable } from 'rxjs';
 import { DummyLinkRel, DummyListLinkRel } from '../../../test/dummy';
-import { singleCold, singleHot } from '../../../test/marbles';
+import { multipleCold, singleCold } from '../../../test/marbles';
 import { createDummyListResource, createDummyResource } from '../../../test/resource';
 import { ApiListResourceService } from './api-list-resource.service';
-import {
-  CreateResourceData,
-  LinkRelationName,
-  ListItemResource,
-  ListResourceServiceConfig,
-} from './resource.model';
+import { CreateResourceData, LinkRelationName, ListItemResource, ListResourceServiceConfig } from './resource.model';
 import { ResourceRepository } from './resource.repository';
-import {
-  createEmptyStateResource,
-  createStateResource,
-  ListResource,
-  StateResource,
-} from './resource.util';
+import { createEmptyStateResource, createStateResource, ListResource, StateResource } from './resource.util';
 
 describe('ListResourceService', () => {
   let service: ApiListResourceService<Resource, ListResource, ListItemResource>;
@@ -31,9 +21,9 @@ describe('ListResourceService', () => {
 
   const baseResource: Resource = createDummyResource();
   const baseStateResource: StateResource<Resource> = createStateResource(baseResource);
-  const baseResourceSubj: BehaviorSubject<StateResource<Resource>> = new BehaviorSubject<
-    StateResource<Resource>
-  >(baseStateResource);
+  const baseResourceSubj: BehaviorSubject<StateResource<Resource>> = new BehaviorSubject<StateResource<Resource>>(
+    baseStateResource,
+  );
   beforeEach(() => {
     config = {
       baseResource: baseResourceSubj,
@@ -82,11 +72,14 @@ describe('ListResourceService', () => {
 
     it('should return value', () => {
       const returnResource: Resource = createDummyResource();
-      resourceRepository.createResource.mockReturnValue(singleHot(returnResource));
 
-      const createdResource: Observable<Resource> = service.create(toCreate);
+      resourceRepository.createResource.mockReturnValue(singleCold(returnResource, '-a'));
 
-      expect(createdResource).toBeObservable(singleCold(returnResource));
+      const createdStateResource$: Observable<StateResource<Resource>> = service.create(toCreate);
+
+      expect(createdStateResource$).toBeObservable(
+        multipleCold(createEmptyStateResource(true), createStateResource(returnResource)),
+      );
     });
   });
 });
diff --git a/alfa-client/libs/tech-shared/src/lib/resource/api-list-resource.service.ts b/alfa-client/libs/tech-shared/src/lib/resource/api-list-resource.service.ts
index 4fd970d0011d9f05d1977beec3021c27ece66edc..03d1d46175587de5bc958432a570c4e6d32c3081 100644
--- a/alfa-client/libs/tech-shared/src/lib/resource/api-list-resource.service.ts
+++ b/alfa-client/libs/tech-shared/src/lib/resource/api-list-resource.service.ts
@@ -1,9 +1,9 @@
 import { Resource } from '@ngxp/rest';
-import { first, Observable, switchMap } from 'rxjs';
+import { first, map, Observable, startWith, switchMap } from 'rxjs';
 import { ResourceListService } from './list-resource.service';
 import { CreateResourceData, ListItemResource, ListResourceServiceConfig } from './resource.model';
 import { ResourceRepository } from './resource.repository';
-import { ListResource, StateResource } from './resource.util';
+import { createEmptyStateResource, createStateResource, ListResource, StateResource } from './resource.util';
 
 export class ApiListResourceService<
   B extends Resource,
@@ -17,13 +17,15 @@ export class ApiListResourceService<
     super(config, repository);
   }
 
-  public create(toCreate: unknown): Observable<Resource> {
+  public create(toCreate: unknown): Observable<StateResource<I>> {
     this.verifyBeforeCreation();
     return this.getListResourceAsObservable().pipe(
       first(),
       switchMap((listResource: StateResource<T>) =>
         this.repository.createResource(this.buildCreateResourceData(toCreate, this.config.create.linkRel, listResource.resource)),
       ),
+      map((listItemResource: I) => createStateResource(listItemResource)),
+      startWith(createEmptyStateResource<I>(true)),
     );
   }
 
diff --git a/alfa-client/libs/tech-shared/src/lib/resource/api-resource.service.spec.ts b/alfa-client/libs/tech-shared/src/lib/resource/api-resource.service.spec.ts
index 9de7cebb347ca8fcafca82a488ba3aefd28f7f1b..49ab4f50dfcf4c49712640d825b303224b3e1682 100644
--- a/alfa-client/libs/tech-shared/src/lib/resource/api-resource.service.spec.ts
+++ b/alfa-client/libs/tech-shared/src/lib/resource/api-resource.service.spec.ts
@@ -26,7 +26,7 @@ import { HttpErrorResponse } from '@angular/common/http';
 import { fakeAsync, tick } from '@angular/core/testing';
 import { Resource } from '@ngxp/rest';
 import { lastValueFrom, Observable, of, throwError } from 'rxjs';
-import { multiCold, singleCold } from '../../../test//marbles';
+import { multipleCold, singleCold } from '../../../test//marbles';
 import { createProblemDetail } from '../../../test/error';
 import { createDummyResource } from '../../../test/resource';
 import { SingleResourceStateService, StateService } from '../ngrx/state.service';
@@ -100,7 +100,7 @@ describe('ApiResourceService', () => {
 
         const saved$: Observable<StateResource<Resource | HttpError>> = service.save(dummyToSave);
 
-        expect(saved$).toBeObservable(multiCold({ a: createEmptyStateResource(true), b: createStateResource(loadedResource) }));
+        expect(saved$).toBeObservable(multipleCold(createEmptyStateResource(true), createStateResource(loadedResource)));
       });
 
       it('should call handleError', () => {
@@ -144,7 +144,7 @@ describe('ApiResourceService', () => {
 
         const patchd$: Observable<StateResource<Resource | HttpError>> = service.patch(dummyToSave);
 
-        expect(patchd$).toBeObservable(multiCold({ a: createEmptyStateResource(true), b: createStateResource(loadedResource) }));
+        expect(patchd$).toBeObservable(multipleCold(createEmptyStateResource(true), createStateResource(loadedResource)));
       });
 
       it('should call handleError', () => {
diff --git a/alfa-client/libs/tech-shared/src/lib/resource/list-resource.service.spec.ts b/alfa-client/libs/tech-shared/src/lib/resource/list-resource.service.spec.ts
index f3d2812811186696aae4bfc0529d4fe9f81b8ae3..e3fddaee393189b9f81f8c0d0ee0a4a5c3f5ecf2 100644
--- a/alfa-client/libs/tech-shared/src/lib/resource/list-resource.service.spec.ts
+++ b/alfa-client/libs/tech-shared/src/lib/resource/list-resource.service.spec.ts
@@ -28,7 +28,6 @@ import { Resource, ResourceUri } from '@ngxp/rest';
 import { DummyLinkRel, DummyListLinkRel } from 'libs/tech-shared/test/dummy';
 import { createDummyListResource, createDummyResource, createFilledDummyListResource } from 'libs/tech-shared/test/resource';
 import { BehaviorSubject, of } from 'rxjs';
-import { EMPTY_ARRAY } from '../tech.util';
 import { ResourceListService } from './list-resource.service';
 import { LinkRelationName, ListItemResource, ListResourceServiceConfig } from './resource.model';
 import { ResourceRepository } from './resource.repository';
@@ -83,14 +82,14 @@ describe('ListResourceService', () => {
 
     it('should handle config resource changed', fakeAsync(() => {
       service.getList().subscribe();
-      tick();
+      tick(50);
 
       expect(service.handleChanges).toHaveBeenCalledWith(listStateResource, baseResource);
     }));
 
     it('should call isInvalidResourceCombinationSpy', fakeAsync(() => {
       service.getList().subscribe();
-      tick();
+      tick(50);
 
       expect(isInvalidResourceCombinationSpy).toHaveBeenCalled();
     }));
@@ -488,7 +487,7 @@ describe('ListResourceService', () => {
       service.getList = jest.fn().mockReturnValue(of(createEmptyStateResource()));
 
       service.getItems().subscribe((items) => {
-        expect(items).toEqual(EMPTY_ARRAY);
+        expect(items).toEqual([]);
         done();
       });
     });
@@ -518,7 +517,7 @@ class DummyListResourceService<
 > extends ResourceListService<B, T, I> {
   constructor(
     protected config: ListResourceServiceConfig<B>,
-    protected repository: ResourceRepository,
+    protected repository: ResourceRepository<I>,
   ) {
     super(config, repository);
   }