diff --git a/README.md b/README.md
index 97a06e869..404dfb699 100644
--- a/README.md
+++ b/README.md
@@ -12,10 +12,10 @@ This is the Invoice business logic module.
 ## Additional information
 
 NOTE: Only in case an acquisition unit has to be assigned to the Invoice, it is required that user should have an
-extra permission `invoices.acquisitions-units-assignments.assign` to create an invoice.
+extra permission `invoices.acquisitions-units-assignments.create.execute` to create an invoice.
 
 NOTE: Only in case an acquisition units list has to be changed for the Invoice, it is required that user should have an
-extra permission `invoices.acquisitions-units-assignments.manage` to update an invoice.
+extra permission `invoices.acquisitions-units-assignments.manage.execute` to update an invoice.
 
 ### Integration
 
diff --git a/descriptors/ModuleDescriptor-template.json b/descriptors/ModuleDescriptor-template.json
index 9bee81f3f..54237666c 100644
--- a/descriptors/ModuleDescriptor-template.json
+++ b/descriptors/ModuleDescriptor-template.json
@@ -24,7 +24,7 @@
           "methods": ["POST"],
           "pathPattern": "/invoice/invoices",
           "permissionsRequired": ["invoice.invoices.item.post"],
-          "permissionsDesired": ["invoices.acquisitions-units-assignments.assign"],
+          "permissionsDesired": ["invoices.acquisitions-units-assignments.create.execute"],
           "modulePermissions": [
             "invoice-storage.invoices.item.post",
             "invoice-storage.invoice-number.get",
@@ -55,7 +55,7 @@
           "pathPattern": "/invoice/invoices/{id}",
           "permissionsRequired": ["invoice.invoices.item.put"],
           "permissionsDesired": [
-            "invoices.acquisitions-units-assignments.manage",
+            "invoices.acquisitions-units-assignments.manage.execute",
             "invoices.fiscal-year.update.execute",
             "invoice.item.approve.execute",
             "invoice.item.pay.execute",
@@ -932,22 +932,24 @@
       "replaces": ["invoices.bypass-acquisition-units"]
     },
     {
-      "permissionName": "invoices.acquisitions-units-assignments.assign",
+      "permissionName": "invoices.acquisitions-units-assignments.create.execute",
       "displayName": "Acquisitions unit assignment - create unit assignment",
-      "description": "Assign new invoice to acquisitions units"
+      "description": "Assign new invoice to acquisitions units",
+      "replaces": ["invoices.acquisitions-units-assignments.assign"]
     },
     {
-      "permissionName": "invoices.acquisitions-units-assignments.manage",
+      "permissionName": "invoices.acquisitions-units-assignments.manage.execute",
       "displayName": "Acquisitions units assignment - manage unit assignments",
-      "description": "Manage unit assignments during invoice update"
+      "description": "Manage unit assignments during invoice update",
+      "replaces": ["invoices.acquisitions-units-assignments.manage"]
     },
     {
       "permissionName": "invoices.acquisitions-units-assignments.all",
       "displayName": "All invoice acquisitions-unit-assignments permissions",
       "description": "All permissions for the acquisitions-unit-assignments",
       "subPermissions": [
-        "invoices.acquisitions-units-assignments.assign",
-        "invoices.acquisitions-units-assignments.manage"
+        "invoices.acquisitions-units-assignments.create.execute",
+        "invoices.acquisitions-units-assignments.manage.execute"
       ]
     },
     {
@@ -1090,16 +1092,6 @@
         "batch-voucher.batch-voucher-exports.all"
       ],
       "visible": false
-    },
-    {
-      "permissionName": "invoices.acquisitions-units-assignments.assign",
-      "displayName": "Ability to assign acquisition unit and create invoice",
-      "description": "Ability to assign acquisition unit and create invoice"
-    },
-    {
-      "permissionName": "invoices.acquisitions-units-assignments.manage",
-      "displayName": "Ability to manage acquisition unit and update invoice",
-      "description": "Ability to manage acquisition unit and update invoice"
     }
   ],
   "metadata": {
diff --git a/ramls/invoice.raml b/ramls/invoice.raml
index 4f66bdf15..66e609177 100644
--- a/ramls/invoice.raml
+++ b/ramls/invoice.raml
@@ -46,7 +46,7 @@ resourceTypes:
         exampleItem: !include acq-models/mod-invoice-storage/examples/invoice.sample
 
     post:
-      description: Post invoice. Only in case an acquisition unit has to be assigned to the invoice, it is required that user should have extra permission invoices.acquisitions-units-assignments.assign to create an Invoice.
+      description: Post invoice. Only in case an acquisition unit has to be assigned to the invoice, it is required that user should have extra permission invoices.acquisitions-units-assignments.create.execute to create an Invoice.
       is: [validate]
     get:
       is: [ pageable, searchable: {description: "using CQL (indexes for invoice)", example: "invoiceLineStatus==\"Open\""}, validate ]
@@ -64,7 +64,7 @@ resourceTypes:
       get:
         description: Return an invoice with given {id}
       put:
-        description: Update invoice. Only in case an acquisition units list has to be changed, it is required that user should have extra permission invoices.acquisitions-units-assignments.manage to update an Invoice.
+        description: Update invoice. Only in case an acquisition units list has to be changed, it is required that user should have extra permission invoices.acquisitions-units-assignments.manage.execute to update an Invoice.
         queryParameters:
           poLinePaymentStatus:
             description: how to update the payment status of po lines when approving or cancelling the invoice;
diff --git a/src/main/java/org/folio/invoices/utils/AcqDesiredPermissions.java b/src/main/java/org/folio/invoices/utils/AcqDesiredPermissions.java
index 604cf20c8..672790241 100644
--- a/src/main/java/org/folio/invoices/utils/AcqDesiredPermissions.java
+++ b/src/main/java/org/folio/invoices/utils/AcqDesiredPermissions.java
@@ -6,8 +6,8 @@
 import java.util.stream.Collectors;
 
 public enum AcqDesiredPermissions {
-  ASSIGN("invoices.acquisitions-units-assignments.assign"),
-  MANAGE("invoices.acquisitions-units-assignments.manage"),
+  ASSIGN("invoices.acquisitions-units-assignments.create.execute"),
+  MANAGE("invoices.acquisitions-units-assignments.manage.execute"),
   APPROVE("invoice.item.approve.execute"),
   PAY("invoice.item.pay.execute"),
   CANCEL("invoice.item.cancel.execute"),
diff --git a/src/test/java/org/folio/dataimport/utils/DataImportUtilsTest.java b/src/test/java/org/folio/dataimport/utils/DataImportUtilsTest.java
index 5e0139043..fcb4ac830 100644
--- a/src/test/java/org/folio/dataimport/utils/DataImportUtilsTest.java
+++ b/src/test/java/org/folio/dataimport/utils/DataImportUtilsTest.java
@@ -18,7 +18,7 @@ public class DataImportUtilsTest {
   private static final String TENANT = "diku";
   private static final String TOKEN = "token";
   private static final String OKAPI_URL = "okapi_url";
-  private static final String PERMISSIONS_ARRAY = "[\"invoices.acquisitions-units-assignments.assign\"]";
+  private static final String PERMISSIONS_ARRAY = "[\"invoices.acquisitions-units-assignments.create.execute\"]";
   private static final String USER_ID = "userId";
 
   @Test
diff --git a/src/test/java/org/folio/rest/impl/ApiTestBase.java b/src/test/java/org/folio/rest/impl/ApiTestBase.java
index afcf15eef..21affe406 100644
--- a/src/test/java/org/folio/rest/impl/ApiTestBase.java
+++ b/src/test/java/org/folio/rest/impl/ApiTestBase.java
@@ -98,8 +98,8 @@ public class ApiTestBase {
     "invoice.item.approve.execute",
     "invoice.item.pay.execute",
     "invoice.invoices.item.put",
-    "invoices.acquisitions-units-assignments.manage",
-    "invoices.acquisitions-units-assignments.assign",
+    "invoices.acquisitions-units-assignments.manage.execute",
+    "invoices.acquisitions-units-assignments.create.execute",
     "invoices.fiscal-year.update.execute"
   );
 
@@ -107,8 +107,8 @@ public class ApiTestBase {
 
   public static final List<String> permissionsWithoutApproveAndPayList = Arrays.asList(
     "invoice.invoices.item.put",
-    "invoices.acquisitions-units-assignments.manage",
-    "invoices.acquisitions-units-assignments.assign",
+    "invoices.acquisitions-units-assignments.manage.execute",
+    "invoices.acquisitions-units-assignments.create.execute",
     "invoices.fiscal-year.update.execute"
   );
 
@@ -119,8 +119,8 @@ public class ApiTestBase {
   public static final List<String> permissionsWithoutPaidList = Arrays.asList(
     "invoice.item.approve.execute",
     "invoice.invoices.item.put",
-    "invoices.acquisitions-units-assignments.manage",
-    "invoices.acquisitions-units-assignments.assign",
+    "invoices.acquisitions-units-assignments.manage.execute",
+    "invoices.acquisitions-units-assignments.create.execute",
     "invoices.fiscal-year.update.execute"
   );
 
diff --git a/src/test/java/org/folio/utils/UserPermissionsUtilTest.java b/src/test/java/org/folio/utils/UserPermissionsUtilTest.java
index e3a8afb8a..3199f5d88 100644
--- a/src/test/java/org/folio/utils/UserPermissionsUtilTest.java
+++ b/src/test/java/org/folio/utils/UserPermissionsUtilTest.java
@@ -43,7 +43,7 @@ void shouldNotThrowExceptionWhenApprovePermissionIsInPosition() {
   void shouldThrowExceptionWhenApprovePermissionIsAbsent() {
     List<String> permissionsList = Arrays.asList(
       "invoice.invoices.item.put",
-      "invoices.acquisitions-units-assignments.manage",
+      "invoices.acquisitions-units-assignments.manage.execute",
       "invoices.fiscal-year.update.execute"
     );
 
@@ -82,7 +82,7 @@ void shouldNotThrowExceptionWhenPayPermissionIsInPosition() {
   void shouldThrowCorrectErrorCodeWhenPayPermissionIsAbsent() {
     List<String> permissionsList = Arrays.asList(
       "invoice.invoices.item.put",
-      "invoices.acquisitions-units-assignments.manage",
+      "invoices.acquisitions-units-assignments.manage.execute",
       "invoices.fiscal-year.update.execute"
     );
 
@@ -143,7 +143,7 @@ void shouldThrowCorrectErrorCodeWhenCancelPermissionIsAbsent() {
   void shouldThrowCorrectErrorCodeWhenAssignPermissionIsAbsent() {
     List<String> permissionsList = Arrays.asList(
       "invoice.invoices.item.put",
-      "invoices.acquisitions-units-assignments.manage",
+      "invoices.acquisitions-units-assignments.manage.execute",
       "invoices.fiscal-year.update.execute"
     );
 
@@ -169,9 +169,9 @@ void shouldNotThrowExceptionWhenAssignPermissionIsAssigned() {
 
     List<String> permissionsList = Arrays.asList(
       "invoice.invoices.item.put",
-      "invoices.acquisitions-units-assignments.manage",
+      "invoices.acquisitions-units-assignments.manage.execute",
       "invoices.fiscal-year.update.execute",
-      "invoices.acquisitions-units-assignments.assign"
+      "invoices.acquisitions-units-assignments.create.execute"
     );
 
     String permissionsJsonArrayString = new JsonArray(permissionsList).encode();
@@ -192,7 +192,7 @@ void shouldNotThrowExceptionWhenAssignPermissionIsAssigned() {
   @DisplayName("should throw exception when manage permission is absent")
   void shouldThrowExceptionWhenManagePermissionIsAbsent() {
     List<String> permissionsList = List.of(
-      "invoices.acquisitions-units-assignments.assign"
+      "invoices.acquisitions-units-assignments.create.execute"
     );
 
     String permissionsJsonArrayString = new JsonArray(permissionsList).encode();
@@ -215,8 +215,8 @@ void shouldThrowExceptionWhenManagePermissionIsAbsent() {
   void shouldNotThrowExceptionWhenManagePermissionIsAssigned() {
     // Create a list of permissions
     List<String> permissionsList = Arrays.asList(
-      "invoices.acquisitions-units-assignments.manage",
-      "invoices.acquisitions-units-assignments.assign"
+      "invoices.acquisitions-units-assignments.manage.execute",
+      "invoices.acquisitions-units-assignments.create.execute"
     );
 
     String permissionsJsonArrayString = new JsonArray(permissionsList).encode();
@@ -237,7 +237,7 @@ void shouldNotThrowExceptionWhenManagePermissionIsAssigned() {
   @DisplayName("should throw exception when fiscal year update permission is absent")
   void shouldThrowExceptionWhenFiscalYearUpdatePermissionIsAbsent() {
     List<String> permissionsList = List.of(
-      "invoices.acquisitions-units-assignments.assign"
+      "invoices.acquisitions-units-assignments.create.execute"
     );
 
     String permissionsJsonArrayString = new JsonArray(permissionsList).encode();
@@ -261,7 +261,7 @@ void shouldNotThrowExceptionWhenFiscalYearUpdatePermissionIsAssigned() {
     // Create a list of permissions
     List<String> permissionsList = Arrays.asList(
       "invoices.fiscal-year.update.execute",
-      "invoices.acquisitions-units-assignments.assign"
+      "invoices.acquisitions-units-assignments.create.execute"
     );
 
     String permissionsJsonArrayString = new JsonArray(permissionsList).encode();