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ExternalPurpose1Code

MBSC Purpose Code: MBS Client Owned Cash Collateral

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MBSC means mbs client owned cash collateral in the ISO 20022 purpose code set. MBS Client Owned Cash Segregated (40Act/Dodd Frank) Cash Collateral - Any cash payment related to the collateral for a Mortgage Back Security, which is owned by the client and is available for use by the client when it is returned to them from the segregated account

Code
MBSC
ISO name
MBSClientOwnedCashCollateral
Status
Registered
Last updated
2016-04-01

Official definition

MBS Client Owned Cash Segregated (40Act/Dodd Frank) Cash Collateral - Any cash payment related to the collateral for a Mortgage Back Security, which is owned by the client and is available for use by the client when it is returned to them from the segregated account

Definition from the ISO 20022 External Code Sets, 2Q2026 (published 28 Aug 2026).

Messages and fields that use ExternalPurpose1Code

MessageElement path
pacs.002TxInfAndSts/OrgnlTxRef/Purp/Cd
pain.002OrgnlPmtInfAndSts/TxInfAndSts/OrgnlTxRef/Purp/Cd
pacs.004TxInf/OrgnlTxRef/Purp/Cd, TxInf/OrgnlTxRef/UndrlygFICdtTrf/Purp/Cd, TxInf/OrgnlTxRef/UndrlygCstmrCdtTrf/Purp/Cd, TxInf/OrgnlTxRef/UndrlygFICdtTrf/UndrlygAllcn/Purp/Cd
camt.056Undrlyg/TxInf/OrgnlTxRef/Purp/Cd
camt.029StmtDtls/Purp/Cd, ModDtls/OrgnlTxRef/Purp/Cd, CxlDtls/TxInfAndSts/OrgnlTxRef/Purp/Cd, CxlDtls/OrgnlPmtInfAndSts/TxInfAndSts/OrgnlTxRef/Purp/Cd
pacs.008CdtTrfTxInf/Purp/Cd
pacs.009CdtTrfTxInf/Purp/Cd, CdtTrfTxInf/UndrlygAllcn/Purp/Cd, CdtTrfTxInf/UndrlygFICdtTrf/Purp/Cd, CdtTrfTxInf/UndrlygCstmrCdtTrf/Purp/Cd
pain.001PmtInf/CdtTrfTxInf/Purp/Cd
camt.053Stmt/Ntry/NtryDtls/TxDtls/Purp/Cd, Stmt/Ntry/NtryDtls/TxDtls/UndrlygAllcn/Purp/Cd
camt.054Ntfctn/Ntry/NtryDtls/TxDtls/Purp/Cd, Ntfctn/Ntry/NtryDtls/TxDtls/UndrlygAllcn/Purp/Cd

And 29 more messages: see the ExternalPurpose1Code page.

MBSC questions

What does MBSC mean in ISO 20022?
MBSC is MBS Client Owned Cash Collateral in the ExternalPurpose1Code code set: MBS Client Owned Cash Segregated (40Act/Dodd Frank) Cash Collateral - Any cash payment related to the collateral for a Mortgage Back Security, which is owned by the client and is available for use by the client when it is returned to them from the segregated account
Where does MBSC appear in a message?
For example in camt.056, element Undrlyg/TxInf/OrgnlTxRef/Purp/Cd.

All ExternalPurpose1Code codes · ISO 20022 code sets

The ISO 20022 code names and definitions on this page are reproduced from material published at iso20022.org under the ISO 20022 Intellectual Property Rights policy. This is not the official source: the up-to-date ISO 20022 standards and repository material are published only at iso20022.org. Explanations in our own words are by ZagTrader. ZagTrader is not affiliated with or endorsed by ISO or Swift.