code: def post_acl_request(request):
      
      uuid_ = request.matchdict['uuid']
  
      posted = request.json
      permissions = [(x['uid'], x['permission'],) for x in posted]
      with db_connect() as db_conn:
          with db_conn.cursor() as cursor:
              cursor.execute("""\
  SELECT TRUE FROM document_controls WHERE uuid = %s::UUID""", (uuid_,))
              try:
                  # Check that it exists
                  cursor.fetchone()[0]
              except TypeError:
                  if request.has_permission('publish.create-identifier'):
                      cursor.execute("""\
  INSERT INTO document_controls (uuid) VALUES (%s)""", (uuid_,))
                  else:
                      raise httpexceptions.HTTPNotFound()
              upsert_acl(cursor, uuid_, permissions)
  
      resp = request.response
      resp.status_int = 202
      return resp
docs: Submission to create an ACL.