MDEP Purpose Code: Micro Deposit
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MDEP means micro deposit in the ISO 20022 purpose code set. Transaction is a small deposit, e.g., for account verification purposes.
- Code
- MDEP
- ISO name
- MicroDeposit
- Status
- Registered
- Last updated
- 2026-05-22
Official definition
Transaction is a small deposit, e.g., for account verification purposes.
Messages and fields that use ExternalPurpose1Code
| Message | Element path |
|---|---|
| pacs.002 | TxInfAndSts/OrgnlTxRef/Purp/Cd |
| pain.002 | OrgnlPmtInfAndSts/TxInfAndSts/OrgnlTxRef/Purp/Cd |
| pacs.004 | TxInf/OrgnlTxRef/Purp/Cd, TxInf/OrgnlTxRef/UndrlygFICdtTrf/Purp/Cd, TxInf/OrgnlTxRef/UndrlygCstmrCdtTrf/Purp/Cd, TxInf/OrgnlTxRef/UndrlygFICdtTrf/UndrlygAllcn/Purp/Cd |
| camt.056 | Undrlyg/TxInf/OrgnlTxRef/Purp/Cd |
| camt.029 | StmtDtls/Purp/Cd, ModDtls/OrgnlTxRef/Purp/Cd, CxlDtls/TxInfAndSts/OrgnlTxRef/Purp/Cd, CxlDtls/OrgnlPmtInfAndSts/TxInfAndSts/OrgnlTxRef/Purp/Cd |
| pacs.008 | CdtTrfTxInf/Purp/Cd |
| pacs.009 | CdtTrfTxInf/Purp/Cd, CdtTrfTxInf/UndrlygAllcn/Purp/Cd, CdtTrfTxInf/UndrlygFICdtTrf/Purp/Cd, CdtTrfTxInf/UndrlygCstmrCdtTrf/Purp/Cd |
| pain.001 | PmtInf/CdtTrfTxInf/Purp/Cd |
| camt.053 | Stmt/Ntry/NtryDtls/TxDtls/Purp/Cd, Stmt/Ntry/NtryDtls/TxDtls/UndrlygAllcn/Purp/Cd |
| camt.054 | Ntfctn/Ntry/NtryDtls/TxDtls/Purp/Cd, Ntfctn/Ntry/NtryDtls/TxDtls/UndrlygAllcn/Purp/Cd |
And 29 more messages: see the ExternalPurpose1Code page.
MDEP questions
- What does MDEP mean in ISO 20022?
- MDEP is Micro Deposit in the ExternalPurpose1Code code set: Transaction is a small deposit, e.g., for account verification purposes.
- Where does MDEP 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.