diff --git a/docs/samples/config/mscolab/mscolab_settings.py.sample b/docs/samples/config/mscolab/mscolab_settings.py.sample
index 48a0bd1f8..f6621b4ea 100644
--- a/docs/samples/config/mscolab/mscolab_settings.py.sample
+++ b/docs/samples/config/mscolab/mscolab_settings.py.sample
@@ -69,3 +69,9 @@ STUB_CODE = """<?xml version="1.0" encoding="utf-8"?>
   </ListOfWaypoints>
 </FlightTrack>
 """
+
+# looks for a given category forn a operation ending with GROUP_POSTFIX
+# e.g. category = Tex will look for TexGroup
+# all users in that Group are set to the operations of that category
+# having the roles in the TexGroup
+GROUP_POSTFIX = "Group"
diff --git a/mslib/mscolab/conf.py b/mslib/mscolab/conf.py
index 8c11ac201..59f0c59c5 100644
--- a/mslib/mscolab/conf.py
+++ b/mslib/mscolab/conf.py
@@ -69,6 +69,13 @@ class default_mscolab_settings:
       </ListOfWaypoints>
     </FlightTrack>
     """
+
+    # looks for a given category forn a operation ending with GROUP_POSTFIX
+    # e.g. category = Tex will look for TexGroup
+    # all users in that Group are set to the operations of that category
+    # having the roles in the TexGroup
+    GROUP_POSTFIX = "Group"
+
     enable_basic_http_authentication = False
 
     # enable verification by Mail
diff --git a/mslib/mscolab/file_manager.py b/mslib/mscolab/file_manager.py
index 429ba3acb..900bcddf3 100644
--- a/mslib/mscolab/file_manager.py
+++ b/mslib/mscolab/file_manager.py
@@ -62,6 +62,11 @@ def create_operation(self, path, description, user, last_used=None, content=None
         perm = Permission(user.id, operation_id, "creator")
         db.session.add(perm)
         db.session.commit()
+        # here we can import the permissions from Group file
+        if not path.endswith(mscolab_settings.GROUP_POSTFIX):
+            import_op = Operation.query.filter_by(path=f"{category}{mscolab_settings.GROUP_POSTFIX}").first()
+            if import_op is not None:
+                self.import_permissions(import_op.id, operation_id, user.id)
         data = fs.open_fs(self.data_dir)
         data.makedir(operation.path)
         operation_file = data.open(fs.path.combine(operation.path, 'main.ftml'), 'w')
@@ -420,6 +425,17 @@ def add_bulk_permission(self, op_id, user, new_u_ids, access_level):
             if Permission.query.filter_by(u_id=u_id, op_id=op_id).first() is None:
                 new_permissions.append(Permission(u_id, op_id, access_level))
         db.session.add_all(new_permissions)
+        operation = Operation.query.filter_by(id=op_id).first()
+        if operation.path.endswith(mscolab_settings.GROUP_POSTFIX):
+            # the members of this gets added to all others of same category
+            category = operation.path.split(mscolab_settings.GROUP_POSTFIX)[0]
+            # all operation with that category
+            ops_category = Operation.query.filter_by(category=category)
+            new_permissions = []
+            for ops in ops_category:
+                if not ops.path.endswith(mscolab_settings.GROUP_POSTFIX):
+                    new_permissions.append(Permission(u_id, ops.id, access_level))
+                db.session.add_all(new_permissions)
         try:
             db.session.commit()
             return True
@@ -437,6 +453,17 @@ def modify_bulk_permission(self, op_id, user, u_ids, new_access_level):
             .filter(Permission.u_id.in_(u_ids))\
             .update({Permission.access_level: new_access_level}, synchronize_session='fetch')
 
+        operation = Operation.query.filter_by(id=op_id).first()
+        if operation.path.endswith(mscolab_settings.GROUP_POSTFIX):
+            # the members of this gets added to all others of same category
+            category = operation.path.split(mscolab_settings.GROUP_POSTFIX)[0]
+            # all operation with that category
+            ops_category = Operation.query.filter_by(category=category)
+            for ops in ops_category:
+                Permission.query \
+                    .filter(Permission.op_id == ops.id) \
+                    .filter(Permission.u_id.in_(u_ids)) \
+                    .update({Permission.access_level: new_access_level}, synchronize_session='fetch')
         try:
             db.session.commit()
             return True
@@ -467,6 +494,18 @@ def delete_bulk_permission(self, op_id, user, u_ids):
             .filter(Permission.u_id.in_(u_ids)) \
             .delete(synchronize_session='fetch')
 
+        operation = Operation.query.filter_by(id=op_id).first()
+        if operation.path.endswith(mscolab_settings.GROUP_POSTFIX):
+            # the members of this gets added to all others of same category
+            category = operation.path.split(mscolab_settings.GROUP_POSTFIX)[0]
+            # all operation with that category
+            ops_category = Operation.query.filter_by(category=category)
+            for ops in ops_category:
+                Permission.query \
+                    .filter(Permission.op_id == ops.id) \
+                    .filter(Permission.u_id.in_(u_ids)) \
+                    .delete(synchronize_session='fetch')
+
         db.session.commit()
         return True