| ISO20022

MT558: (3) Field 20C: Reference

Option C

:4!c//16x

(Qualifier)(Reference)

Mandatory in mandatory sequence A

(Error code(s): T89)

Order	M/O	Qualifier	R/N	Options	Qualifier Description
1	M	SEME	N	C	Sender's Message Reference
2	O	CLCI	N	C	Client's Collateral Instruction Reference
3	O	TRCI	N	C	Triparty-Agent's/Service-Provider's Collateral Instruction Reference
4	O	CCTR	N	C	Counterparty's Collateral Transaction Reference
5	O	CLTR	N	C	Client's Triparty Collateral Transaction Reference
6	O	TCTR	N	C	Triparty-Agent's/Service-Provider's Collateral Transaction Reference

This qualified generic field specifies:

CCTR	Counterparty's Collateral Transaction Reference	Unique collateral transaction reference assigned by counterparty.
CLCI	Client's Collateral Instruction Reference	Reference assigned to the instruction by the client.
CLTR	Client's Triparty Collateral Transaction Reference	Unique reference identifying the triparty collateral management transaction from the client's point of view..
SEME	Sender's Message Reference	Reference assigned by the triparty agent to unambiguously identify the message.
TCTR	Triparty-Agent's/Service-Provider's Collateral Transaction Reference	Unique reference identifying the triparty-agent/service-provider collateral management transaction from the triparty-agent's/service-provider's point of view.
TRCI	Triparty-Agent's/Service-Provider's Collateral Instruction Reference	Reference assigned to the instruction by the triparty-agent/service-provider.

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

For qualifiers CLTR and TCTR:

If both the Client's and the Triparty-Agent's/Service-Provider's Collateral Transaction References are available, they both must be included.