This message is sent by an account owner to an account servicer (account servicing institution). The account owner may be a global custodian which has an account with its local agent (sub custodian) or an investment management institution or a broker/dealer which has an account with their custodian.
It is used to request one of the following statements:
Collateral and Exposure Statement (MT 506)
Statement of Holdings (MT 535)
Statement of Transactions (MT 536)
Statement of Pending Transactions (MT 537)
Triparty Collateral and Exposure Statement (MT 569)
Statement of Intra-Position Advices (MT 538)
Report of Combined Activity (MT 575)
Statement of Open Orders (MT 576)
Statement of Numbers (MT 577)
Statement of Settlement Allegements (MT 586)
It is also used to request one of the following status messages:
Collateral Status and Processing Advice (MT 507)
Trade Status (MT 509)
Settlement Status and Processing Advice (MT 548)
Corporate Actions Status and Processing Advice (MT 567)
Registration Status and Processing Advice (MT 510)
Triparty Collateral Status and Processing Advice (MT 558)