| ISO20022

Note

This message may only be sent and received after prior arrangements between the Sender and Receiver.

MT581 Scope

This message type is sent from one financial institution to another, both of which are involved in a securities transaction for which collateral has been provided, for example, a securities loan.

It is used to claim or notify an increase or decrease to the collateral amount resulting from a change in the value of the existing collateral amount relative to the securities on loan.

MT581 Format Specifications

Status	Tag	Field Name	Content/Options	No.
M	20	Transaction Reference Number	16x	1
M	21	Related Reference	16x	2
M	23	Further Identification	16x	3
O	30	Date of Adjustment	6!n	4
M	35H	Adjustment to the Collateral	[N]3!a15d	5
O	35B	Identification of Securities Used as Collateral	[ISIN1!e12!c] [4*35x]	6
M	80C	Reason for Collateral Adjustment	6*35x	7
O	34B	Outstanding Collateral Value	3!a15d	8
O	72	Sender to Receiver Information	6*35x	9

MT581 Network Validated Rules

There are no network validated rules for this message type.

MT581 Usage Rules

This message must not be used to instruct a financial institution to transfer collateral.
This message must be used only in relation to the amount of the collateral and not the terms and conditions of the collateral such as the expiry date of a letter of credit or guarantee used as collateral.
In the case where the collateral is in the form of securities, subfield 2 of field 35H must contain one of the codes indicating the type of security, and field 35B must be present to identify the security being used as collateral.
In the case where the collateral is in the form of a letter of credit, guarantee or cash, subfield 2 of field 35H must contain an ISO 4217 currency code and field 35B must not be present.