AccountLinkMaintenanceRequestV01 (AcctLkMntncReq)

Scope

SCOPE: The AccountLinkMaintenanceRequest message is sent by the instructing party to the executing/ servicing party to request for the maintenance of an account link in their system. The instructing party - executing/servicing party relationship may be: - Central Securities Depositories (CSD) who would like to publish account link static data, or - a Corporate, or - a Bank, or - a Market Infrastructure, or - a Market Data Provider. USAGE: The request is sent when the instructing party identified a gap in the account link coverage of the executing/servicing party. The instructing party needs this account link to be maintained at the executing /servicing party to perform its activities. Initiator: instructing party.

Outline

The AccountLinkMaintenanceRequestV01 MessageDefinition is composed of 4 MessageBuildingBlocks:

Message Header — Common business identification for the message.
Account Link Identification — Provides a unique and unambiguous identification for the account link.
Update — Provides data that needs to be maintained.
Supplementary Data — Additional information that cannot be captured in the structured elements and/or any other specific block. Header (last message set approved on 19 February 2026).

AccountLinkMaintenanceRequestV01

AcctLkMntncReq

Mandatory

Type: AccountLinkMaintenanceRequestV01

Message Header

MsgHdr

Optional

Account Link Identification

AcctLkId

Mandatory

Update

Upd

Mandatory

Supplementary Data

SplmtryData

Repetition (0..n)