$xml->startTag('MndtRltdInf');
$xml->dataElement('MndtId', $self->_restricted_identification_sepa2($transaction->get('mandator_id')));
$xml->startTag('MndtRltdInf');
$xml->dataElement('MndtId', $self->_restricted_identification_sepa2($transaction->get('mandator_id')));