def is_all_field_none(self):
        """
        :rtype: bool
        """

        if self._MonetaryAccountBank is not None:
            return False

        if self._MonetaryAccountJoint is not None:
            return False

        if self._MonetaryAccountLight is not None:
            return False

        if self._MonetaryAccountSavings is not None:
            return False

        return True