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acmt: Account Management

acmt.034 Account Switch Request Payment

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acmt.034 is the ISO 20022 AccountSwitchRequestPayment message in the Account Management business area (acmt). The latest version is acmt.034.001.05, and 5 versions are in the repository.

Message
AccountSwitchRequestPayment
Latest version
acmt.034.001.05
Submitting organisation
Payments UK
MT equivalent
None listed

In use: published in the current ISO 20022 catalogue.

What acmt.034 is for

The AccountSwitchRequestPayment message is sent by the old account servicer to the new account servicer after the completion of the account switch to request the transfer of funds for a payment that the previous account servicer has had to make from the old account (for example: the settlement of a card transaction that was authorised offline).

Definition from the ISO 20022 e-Repository, release of 24 April 2025.

acmt.034 versions

Every version published in the e-Repository, newest first. A message keeps its business purpose across versions; each new version is a separate schema with its own namespace.

VersionRegistration statusPublished in
acmt.034.001.05latestRegisteredLatest version set
acmt.034.001.04RegisteredPrevious version set
acmt.034.001.03RegisteredArchive
acmt.034.001.02RegisteredArchive
acmt.034.001.01RegisteredArchive

acmt.034 message structure

The building blocks of acmt.034.001.05 to three levels, with multiplicity ([0..1] optional, [1..1] mandatory, * any number) and the data type or component. Element names and definitions are from the ISO 20022 repository; usage guidelines such as CBPR+ or a market infrastructure's rules can restrict them further.

  • Document [1..1]
    • AcctSwtchReqPmt AccountSwitchRequestPayment [1..1]
      • MsgId Message Identification [1..1]MessageIdentification1

        Unique identification for the message.

        • Id Identification [1..1]Max35Text

          Identification of the message.

        • CreDtTm Creation Date Time [1..1]ISODateTime

          Date of creation of the message.

      • AcctSwtchDtls Account Switch Details [1..1]AccountSwitchDetails1

        Contains information about the details of the account switch and a response code to the original payment request.

        • UnqRefNb Unique Reference Number [1..1]Max35Text

          Unique number that provides unique and unambiguous identification of the account switch.

        • RtgUnqRefNb Routing Unique Reference Number [1..1]Max35Text

          Unique number that provides unique and unambiguous identification of the account switch.

        • SwtchRcvdDtTm Switch Received Date Time [0..1]ISODateTime

          Date and time that the request was received by the central switch service, populated by the central switch service only.

        • SwtchDt Switch Date [0..1]ISODate

          Date on which the account switch is expected to have completed.

        • SwtchTp Switch Type [1..1]SwitchType1Code

          Indicates whether the account switch is a full switch or a partial switch.

        • SwtchSts Switch Status [0..1]SwitchStatus1Code

          State of the account switch at the time the message is sent.

        • BalTrfWndw Balance Transfer Window [0..1]BalanceTransferWindow1Code

          Identifies the processing window in which the balance transfer will be processed on the day of the account switch.

        • Rspn Response [0..*]ResponseDetails1

          Response code and additional information.

          • RspnCd Response Code [1..1]Max35Text
          • AddtlDtls Additional Details [0..1]Max350Text
      • OdAcct Old Account [1..1]CashAccount43

        Account held at the old account servicer being switched to the new account servicer.

        • Id Identification [0..1]AccountIdentification4Choice (choice)

          Unique and unambiguous identification for the account between the account owner and the account servicer.

          • IBAN IBAN [1..1]IBAN2007Identifier
          • Othr Other [1..1]GenericAccountIdentification1
        • Tp Type [0..1]CashAccountType2Choice (choice)

          Specifies the nature, or use of the account.

          • Cd Code [1..1]ExternalCashAccountType1Code
          • Prtry Proprietary [1..1]Max35Text
        • Ccy Currency [0..1]ActiveOrHistoricCurrencyCode

          Identification of the currency in which the account is held.

        • Nm Name [0..1]Max70Text

          Name of the account, as assigned by the account servicing institution, in agreement with the account owner in order to provide an additional means of...

        • Prxy Proxy [0..1]ProxyAccountIdentification1

          Specifies an alternate assumed name for the identification of the account.

          • Tp Type [0..1]ProxyAccountType1Choice (choice)
          • Id Identification [1..1]Max2048Text
        • Ownr Owner [0..1]PartyIdentification272

          Party that legally owns the account.

          • Nm Name [0..1]Max140Text
          • PstlAdr Postal Address [0..1]PostalAddress27
          • Id Identification [0..1]Party52Choice (choice)
          • CtryOfRes Country Of Residence [0..1]CountryCode
          • CtctDtls Contact Details [0..1]Contact13
        • Svcr Servicer [0..1]BranchAndFinancialInstitutionIdentification8

          Party that manages the account on behalf of the account owner, that is manages the registration and booking of entries on the account, calculates...

          • FinInstnId Financial Institution Identification [1..1]FinancialInstitutionIdentification23
          • BrnchId Branch Identification [0..1]BranchData5
      • CdtInstr Credit Instruction [1..1]CreditTransferTransaction59

        Specific information relating to a request for payment, including details that enable the receiving account servicer to reconcile the payment to be received with the original payment request.

        • PmtId Payment Identification [1..1]PaymentIdentification6

          Set of elements used to reference a payment instruction.

          • InstrId Instruction Identification [0..1]Max35Text
          • EndToEndId End To End Identification [1..1]Max35Text
          • UETR UETR [0..1]UUIDv4Identifier
        • PmtTpInf Payment Type Information [0..1]PaymentTypeInformation26

          Set of elements used to further specify the type of transaction.

          • InstrPrty Instruction Priority [0..1]Priority2Code
          • SvcLvl Service Level [0..*]ServiceLevel8Choice (choice)
          • LclInstrm Local Instrument [0..1]LocalInstrument2Choice (choice)
          • CtgyPurp Category Purpose [0..1]CategoryPurpose1Choice (choice)
        • TaxRateMrkr Tax Rate Marker [0..1]TaxRateMarker1Code

          Specifies the rate of tax levied.

        • Amt Amount [1..1]ActiveCurrencyAndAmount

          Amount of money to be moved between the debtor and creditor, before deduction of charges, expressed in the currency as ordered by the initiating...

        • ChrgBr Charge Bearer [0..1]ChargeBearerType1Code

          Specifies which party/parties will bear the charges associated with the processing of the payment transaction.

        • ChqInstr Cheque Instruction [0..1]Cheque19

          Set of elements needed to issue a cheque.

          • ChqTp Cheque Type [0..1]ChequeType2Code
          • ChqNb Cheque Number [0..1]Max35Text
          • ChqFr Cheque From [0..1]NameAndAddress18
          • DlvryMtd Delivery Method [0..1]ChequeDeliveryMethod1Choice (choice)
          • DlvrTo Deliver To [0..1]NameAndAddress18
          • InstrPrty Instruction Priority [0..1]Priority2Code
          • ChqMtrtyDt Cheque Maturity Date [0..1]ISODate
          • FrmsCd Forms Code [0..1]Max35Text
          • MemoFld Memo Field [0..2]Max35Text
          • RgnlClrZone Regional Clearing Zone [0..1]Max35Text
          • PrtLctn Print Location [0..1]Max35Text
          • Sgntr Signature [0..5]Max70Text
        • Frqcy Frequency [0..1]Frequency1

          The schedule for a credit payment arrangement.

          • Seq Sequence [0..1]Max3NumericText
          • StartDt Start Date [1..1]ISODate
          • EndPtChc End Point Choice [1..1]EndPoint1Choice (choice)
          • ReqdFrqcyPttrn Requested Frequency Pattern [0..1]Frequency37Choice (choice)
          • NonWorkgDayAdjstmnt Non Working Day Adjustment [0..1]BusinessDayConvention1Code
        • TrfInstr Transfer Instruction [0..1]TransferInstruction1

          Provides further information about the status of transferred scheduled payment(s).

          • TrfInd Transfer Indicator [0..1]YesNoIndicator
          • Cd Code [1..1]Max35Text
          • Prtry Proprietary [0..1]Max256Text
          • StartDtTm Start Date Time [0..1]ISODateTime
          • StartDt Start Date [0..1]ISODate
          • Desc Description [0..1]Max350Text
        • UltmtDbtr Ultimate Debtor [0..1]PartyIdentification272

          Ultimate party that owes an amount of money to the (ultimate) creditor.

          • Nm Name [0..1]Max140Text
          • PstlAdr Postal Address [0..1]PostalAddress27
          • Id Identification [0..1]Party52Choice (choice)
          • CtryOfRes Country Of Residence [0..1]CountryCode
          • CtctDtls Contact Details [0..1]Contact13
        • IntrmyAgt1 Intermediary Agent1 [0..1]BranchAndFinancialInstitutionIdentification8

          Agent between the debtor's agent and the creditor's agent.

          • FinInstnId Financial Institution Identification [1..1]FinancialInstitutionIdentification23
          • BrnchId Branch Identification [0..1]BranchData5
        • IntrmyAgt2 Intermediary Agent2 [0..1]BranchAndFinancialInstitutionIdentification8

          Agent between the debtor's agent and the creditor's agent.

          • FinInstnId Financial Institution Identification [1..1]FinancialInstitutionIdentification23
          • BrnchId Branch Identification [0..1]BranchData5
        • IntrmyAgt3 Intermediary Agent3 [0..1]BranchAndFinancialInstitutionIdentification8

          Agent between the debtor's agent and the creditor's agent.

          • FinInstnId Financial Institution Identification [1..1]FinancialInstitutionIdentification23
          • BrnchId Branch Identification [0..1]BranchData5
        • CdtrAgt Creditor Agent [1..1]BranchAndFinancialInstitutionIdentification8

          Financial institution servicing an account for the creditor.

          • FinInstnId Financial Institution Identification [1..1]FinancialInstitutionIdentification23
          • BrnchId Branch Identification [0..1]BranchData5
        • Cdtr Creditor [0..1]PartyIdentification272

          Party to which an amount of money is due.

          • Nm Name [0..1]Max140Text
          • PstlAdr Postal Address [0..1]PostalAddress27
          • Id Identification [0..1]Party52Choice (choice)
          • CtryOfRes Country Of Residence [0..1]CountryCode
          • CtctDtls Contact Details [0..1]Contact13
        • CdtrAcct Creditor Account [0..1]CashAccount40

          Unambiguous identification of the account of the creditor to which a credit entry will be posted as a result of the payment transaction.

          • Id Identification [0..1]AccountIdentification4Choice (choice)
          • Tp Type [0..1]CashAccountType2Choice (choice)
          • Ccy Currency [0..1]ActiveOrHistoricCurrencyCode
          • Nm Name [0..1]Max70Text
          • Prxy Proxy [0..1]ProxyAccountIdentification1
        • UltmtCdtr Ultimate Creditor [0..1]PartyIdentification272

          Ultimate party to which an amount of money is due.

          • Nm Name [0..1]Max140Text
          • PstlAdr Postal Address [0..1]PostalAddress27
          • Id Identification [0..1]Party52Choice (choice)
          • CtryOfRes Country Of Residence [0..1]CountryCode
          • CtctDtls Contact Details [0..1]Contact13
        • InstrForCdtrAgt Instruction For Creditor Agent [0..*]InstructionForCreditorAgent3

          Further information related to the processing of the payment instruction, provided by the initiating party, and intended for the creditor agent.

          • Cd Code [0..1]ExternalCreditorAgentInstruction1Code
          • InstrInf Instruction Information [0..1]Max140Text
        • Purp Purpose [0..1]Purpose2Choice (choice)

          Underlying reason for the payment transaction.

          • Cd Code [1..1]ExternalPurpose1Code
          • Prtry Proprietary [1..1]Max35Text
        • RgltryRptg Regulatory Reporting [0..10]RegulatoryReporting3

          Information needed due to regulatory and statutory requirements.

          • DbtCdtRptgInd Debit Credit Reporting Indicator [0..1]RegulatoryReportingType1Code
          • Authrty Authority [0..1]RegulatoryAuthority2
          • Dtls Details [0..*]StructuredRegulatoryReporting3
        • Tax Tax [0..1]TaxData1

          Provides details on the tax.

          • Cdtr Creditor [0..1]TaxParty1
          • Dbtr Debtor [0..1]TaxParty2
          • UltmtDbtr Ultimate Debtor [0..1]TaxParty2
          • AdmstnZone Administration Zone [0..1]Max35Text
          • RefNb Reference Number [0..1]Max140Text
          • Mtd Method [0..1]Max35Text
          • TtlTaxblBaseAmt Total Taxable Base Amount [0..1]ActiveOrHistoricCurrencyAndAmount
          • TtlTaxAmt Total Tax Amount [0..1]ActiveOrHistoricCurrencyAndAmount
          • Dt Date [0..1]ISODate
          • SeqNb Sequence Number [0..1]Number
          • Rcrd Record [0..*]TaxRecord3
        • RltdRmtInf Related Remittance Information [0..10]RemittanceLocation9

          Provides information related to the handling of the remittance information by any of the agents in the transaction processing chain.

          • RmtId Remittance Identification [0..1]Max35Text
          • RmtLctnMtd Remittance Location Method [0..1]RemittanceLocationMethod2Code
          • RmtLctnElctrncAdr Remittance Location Electronic Address [0..1]Max2048Text
          • RmtLctnPstlAdr Remittance Location Postal Address [0..1]NameAndAddress18
        • RmtInf Remittance Information [0..1]RemittanceInformation22

          Information supplied to enable the matching of an entry with the items that the transfer is intended to settle, such as commercial invoices in an...

          • Ustrd Unstructured [0..*]Max140Text
          • Strd Structured [0..*]StructuredRemittanceInformation18
      • SplmtryData Supplementary Data [0..*]SupplementaryData1

        Additional information that cannot be captured in the structured elements and/or any other specific block.

        • PlcAndNm Place And Name [0..1]Max350Text

          Unambiguous reference to the location where the supplementary data must be inserted in the message instance.

        • Envlp Envelope [1..1]SupplementaryDataEnvelope1

          Technical element wrapping the supplementary data.

Have a acmt.034 message? Paste it into the parser to see every element with its name and definition, and format checks on BICs, IBANs, dates and amounts.

External code sets used in acmt.034

These elements take their values from ISO 20022 external code sets, which are published separately and updated every quarter without a new message version.

acmt.034 questions

What is the latest version of acmt.034?
The latest version in the ISO 20022 e-Repository release of 24 April 2025 is acmt.034.001.05.
What is the root element of acmt.034?
The XML document is Document with the namespace urn:iso:std:iso:20022:tech:xsd:acmt.034.001.05, and its message element is AcctSwtchReqPmt (AccountSwitchRequestPayment).
Is there an MT equivalent of acmt.034?
No Swift MT message is listed as its direct equivalent on this site. Many ISO 20022 messages have no MT counterpart.

All ISO 20022 messages · ISO 20022 code sets · MT messages

The ISO 20022 message definitions, element 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.