MT 581 Field Specifications

6. Field 35B: Identification of Securities Used as Collateral

FORMAT

Option B

[ISIN1!e12!c] [4*35x]

(Identification of Security) (Description of Security)

PRESENCE

Optional

DEFINITION

This field identifies the securities used as collateral for which this message requests or acknowledges an adjustment.

NETWORK VALIDATED RULES

At least Identification of a Security (Subfield 1) or Description of Security (Subfield 2) must be present; both may be present (Error code(s): T17).

ISIN is used at the beginning of Identification of Security (Subfield 1) and must be composed of uppercase letters only (Error code(s): T12).

USAGE RULES

When used in Description of Security (Subfield 2), codes must start and end with a slash '/'.

When an ISIN identifier is not used it is strongly recommended that one of the following codes be used as the first four characters of the Description of Security (Subfield 2):

[/2!a/]	The ISO two-digit country code, followed by the national scheme number.
[/TS/]	Followed by the ticker symbol.
[/XX/]	Bilaterally agreed or proprietary scheme which may be further identified by a code or short description identifying the scheme used.

It is strongly recommended that the ISIN be used.

This field must be present if Currency in field 35H contains a code identifying a type of security. This field must not be present if Currency in field 35H contains an ISO currency code.