This message may be used to request immediate cash settlement or cash settlement on a specific future date. If the message is used to claim immediate settlement, field 53a or 57a should be present.
Similarly, if the message is used to request immediate securities settlement, field 83a or 87a should be present.
The message may also be used in response to a claim, as a confirmation of the reimbursement paid, using the code ADVICE in field 23 and the contents of the field 20 of the previous message in field 21.
This message must not be used to claim or advise collateral adjustments. In this case, the MT 581 Collateral Adjustment Message should be used.