Skip to main content
Header logo

ISO 15022
Data Field Dictionary

MT581: (2) Field 21: Related Reference

FORMAT

16x

PRESENCE

Mandatory

DEFINITION

This field specifies the related reference.

NETWORK VALIDATED RULES

This field must not start or end with a slash '/' and must not contain two consecutive slashes '//'.

USAGE RULES

This field contains the reference number assigned by the Receiver to the related securities loan, for example, the contents of field 20 Transaction Reference Number of the MT 516 Securities Loan Confirmation received or the contents of field 20 Transaction Reference Number of the previous MT 581 received.

If the Receiver's reference is not known, NONREF must be used in this field.