@utilities.arguments_not_none<EOL><INDENT>def get_assignable_bank_ids(self, bank_id):<DEDENT>
<EOL>mgr = self._get_provider_manager('<STR_LIT>', local=True)<EOL>lookup_session = mgr.get_bank_lookup_session(proxy=self._proxy)<EOL>banks = lookup_session.get_banks()<EOL>id_list = []<EOL>for bank in banks:<EOL><INDENT>id_list.append(bank.get_id())<EOL><DEDENT>return IdList(id_list)<EOL>
Gets a list of banks including and under the given banks node in which any assessment offered can be assigned.

        arg:    bank_id (osid.id.Id): the ``Id`` of the ``Bank``
        return: (osid.id.IdList) - list of assignable bank ``Ids``
        raise:  NullArgument - ``bank_id`` is ``null``
        raise:  OperationFailed - unable to complete request
        *compliance: mandatory -- This method must be implemented.*