diff --git a/dmp-frontend/src/app/ui/dmp/dmp-editor-blueprint/dmp-editor.component.html b/dmp-frontend/src/app/ui/dmp/dmp-editor-blueprint/dmp-editor.component.html
index 85f5c534b..480826958 100644
--- a/dmp-frontend/src/app/ui/dmp/dmp-editor-blueprint/dmp-editor.component.html
+++ b/dmp-frontend/src/app/ui/dmp/dmp-editor-blueprint/dmp-editor.component.html
@@ -239,7 +239,7 @@
 															</div>
 															<div class="row">
 																<div class="col">
-																	<button mat-icon-button (click)="addContact()" [disabled]="!this.canSave && !isNew">
+																	<button mat-icon-button (click)="addContact()" [disabled]="isFinalized || (!this.canSave && !isNew)">
 																		<mat-icon>add</mat-icon>
 																	</button>
 																</div>
diff --git a/dmp-frontend/src/app/ui/dmp/dmp-editor-blueprint/dmp-editor.component.ts b/dmp-frontend/src/app/ui/dmp/dmp-editor-blueprint/dmp-editor.component.ts
index ccc289181..21bc35e57 100644
--- a/dmp-frontend/src/app/ui/dmp/dmp-editor-blueprint/dmp-editor.component.ts
+++ b/dmp-frontend/src/app/ui/dmp/dmp-editor-blueprint/dmp-editor.component.ts
@@ -63,6 +63,7 @@ export class DmpEditorComponent extends BaseEditor<DmpEditorModel, Dmp> implemen
 
 	isNew = true;
 	isDeleted = false;
+	isFinalized = false;
 	item: Dmp;
 	selectedBlueprint: DmpBlueprint;
 	step: number = 0;
@@ -115,11 +116,11 @@ export class DmpEditorComponent extends BaseEditor<DmpEditorModel, Dmp> implemen
 	}
 
 	protected get canSave(): boolean {
-		return !this.isDeleted && (this.hasPermission(this.authService.permissionEnum.EditDmp) || this.item?.authorizationFlags?.some(x => x === AppPermission.EditDmp));
+		return !this.isDeleted && !this.isFinalized && (this.hasPermission(this.authService.permissionEnum.EditDmp) || this.item?.authorizationFlags?.some(x => x === AppPermission.EditDmp));
 	}
 
 	protected get canFinalize(): boolean {
-		return !this.isDeleted && (this.hasPermission(this.authService.permissionEnum.EditDmp) || this.item?.authorizationFlags?.some(x => x === AppPermission.EditDmp));
+		return !this.isDeleted && !this.isFinalized && (this.hasPermission(this.authService.permissionEnum.EditDmp) || this.item?.authorizationFlags?.some(x => x === AppPermission.EditDmp));
 	}
 
 	protected canEditSection(id: Guid): boolean {
@@ -219,6 +220,7 @@ export class DmpEditorComponent extends BaseEditor<DmpEditorModel, Dmp> implemen
 
 			this.selectedBlueprint = data?.blueprint;
 			this.isDeleted = data ? data.isActive === IsActive.Inactive : false;
+			this.isFinalized = data ? data.status === DmpStatus.Finalized : false;
 
 			if (data && data.id) {
 				const descriptionSectionPermissionResolverModel: DescriptionSectionPermissionResolver = {