code: def is_all_field_none(self):
          
  
          if self._id_ is not None:
              return False
  
          if self._created is not None:
              return False
  
          if self._updated is not None:
              return False
  
          if self._public_uuid is not None:
              return False
  
          if self._name is not None:
              return False
  
          if self._display_name is not None:
              return False
  
          if self._public_nick_name is not None:
              return False
  
          if self._alias is not None:
              return False
  
          if self._chamber_of_commerce_number is not None:
              return False
  
          if self._legal_form is not None:
              return False
  
          if self._type_of_business_entity is not None:
              return False
  
          if self._sector_of_industry is not None:
              return False
  
          if self._counter_bank_iban is not None:
              return False
  
          if self._avatar is not None:
              return False
  
          if self._address_main is not None:
              return False
  
          if self._address_postal is not None:
              return False
  
          if self._version_terms_of_service is not None:
              return False
  
          if self._director_alias is not None:
              return False
  
          if self._language is not None:
              return False
  
          if self._country is not None:
              return False
  
          if self._region is not None:
              return False
  
          if self._ubo is not None:
              return False
  
          if self._status is not None:
              return False
  
          if self._sub_status is not None:
              return False
  
          if self._session_timeout is not None:
              return False
  
          if self._card_ids is not None:
              return False
  
          if self._card_limits is not None:
              return False
  
          if self._daily_limit_without_confirmation_login is not None:
              return False
  
          if self._notification_filters is not None:
              return False
  
          if self._customer is not None:
              return False
  
          if self._customer_limit is not None:
              return False
  
          if self._billing_contract is not None:
              return False
  
          return True
docs: :rtype: bool