MT 578 Field Specifications

24. Field 13a: Number Identification

FORMAT

Option A	:4!c//3!c	(Qualifier) (Number Id)
Option B	:4!c/[8c]/30x	(Qualifier) (Data Source Scheme) (Number)
Option K	:4!c//3!c/15d	(Qualifier) (Number id) (Quantity)

PRESENCE

Optional

QUALIFIER

(Error code(s): T89)

Order	M/O	Qualifier	R/N	CR	Options	Qualifier Description
1	O	COUP	N		A, B	Coupon Number
2	O	POOL	N		A, B	Pool Number
3	O	LOTS	R		A, B or K	Lot Number
4	O	VERN	N		A, B	Version Number

DEFINITION

This qualified generic field specifies:

COUP	Coupon Number	Coupon number of the next coupon attached to the related financial instrument.
LOTS	Lot Number	Number identifying the lot of the security issue.
POOL	Pool Number	Number identifying a group of underlying assets assigned by the issuer of a factored security.
POOL	Pool Number	Number as assigned by the issuer of an asset backed security (U.S.) to identify the group of mortgages.
VERN	Version Number	Version number of the option contract or tranche of the related financial instrument.

NETWORK VALIDATED RULES

Number (Format Option B) must not start or end with a slash '/' and not contain two consecutive slashes '//' (Error code(s): T26).