caaa.016 Acceptor Currency Conversion Request

What caaa.016 is for

caaa.016 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.

caaa.016 message structure

The building blocks of caaa.016.001.12 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]
  • AccptrCcyConvsReq AcceptorCurrencyConversionRequest [1..1]
    • Hdr Header [1..1]Header70

      Currency Conversion request message management information.

      • MsgFctn Message Function [1..1]MessageFunction46Code

        Identifies the type of process related to the message.

      • PrtcolVrsn Protocol Version [1..1]Max6Text

        Version of the acquirer protocol specifications.

      • XchgId Exchange Identification [1..1]Number

        Unique identification of an exchange occurrence.

      • ReTrnsmssnCntr Re Transmission Counter [0..1]Max3NumericText

        Number of retransmissions of the message.

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

        Date and time at which the message was created.

      • InitgPty Initiating Party [1..1]GenericIdentification176

        Unique identification of the partner that has initiated the exchange.

        • Id Identification [1..1]Max35Text
        • Tp Type [0..1]PartyType33Code
        • Issr Issuer [0..1]PartyType33Code
        • Ctry Country [0..1]Min2Max3AlphaText
        • ShrtNm Short Name [0..1]Max35Text
      • RcptPty Recipient Party [0..1]GenericIdentification177

        Unique identification of the partner that is the recipient of the message exchange.

        • Id Identification [1..1]Max35Text
        • Tp Type [0..1]PartyType33Code
        • Issr Issuer [0..1]PartyType33Code
        • Ctry Country [0..1]Min2Max3AlphaText
        • ShrtNm Short Name [0..1]Max35Text
        • RmotAccs Remote Access [0..1]NetworkParameters7
        • Glctn Geolocation [0..1]Geolocation1
      • Tracblt Traceability [0..*]Traceability8

        Identification of partners involved in exchange from the merchant to the issuer, with the relative timestamp of their exchanges.

        • RlayId Relay Identification [1..1]GenericIdentification177
        • PrtcolNm Protocol Name [0..1]Max35Text
        • PrtcolVrsn Protocol Version [0..1]Max6Text
        • TracDtTmIn Trace Date Time In [1..1]ISODateTime
        • TracDtTmOut Trace Date Time Out [1..1]ISODateTime
    • CcyConvsReq Currency Conversion Request [1..1]AcceptorCurrencyConversionRequest12

      Information related to the currency conversion request.

      • Envt Environment [1..1]CardPaymentEnvironment81

        Environment of the transaction.

        • Acqrr Acquirer [0..1]Acquirer10
        • SvcPrvdr Service Provider [0..1]Acquirer10
        • Mrchnt Merchant [0..1]Organisation41
        • POI POI [0..1]PointOfInteraction15
        • Card Card [0..1]PaymentCard35
        • Chck Check [0..1]Check1
        • StordValAcct Stored Value Account [0..*]StoredValueAccount2
        • LltyAcct Loyalty Account [0..*]LoyaltyAccount3
        • CstmrDvc Customer Device [0..1]CustomerDevice3
        • Wllt Wallet [0..1]CustomerDevice3
        • PmtTkn Payment Token [0..1]Token1
        • MrchntTkn Merchant Token [0..1]MerchantToken2
        • Crdhldr Cardholder [0..1]Cardholder21
        • PrtctdCrdhldrData Protected Cardholder Data [0..1]ContentInformationType40
        • SaleEnvt Sale Environment [0..1]RetailerSaleEnvironment2
      • Tx Transaction [0..1]PaymentTransaction165

        Card payment transaction for which the currency conversion is requested.

        • TxCaptr Transaction Capture [0..1]TrueFalseIndicator
        • PmtInstrm Payment Instrument [0..*]PaymentInstrumentType2Code
        • PmtTpInf Payment Type Information [0..1]PaymentTypeInformation26
        • TxTp Transaction Type [1..1]CardPaymentServiceType16Code
        • AddtlSvc Additional Service [0..*]CardPaymentServiceType9Code
        • SvcAttr Service Attribute [0..1]CardPaymentServiceType15Code
        • LastTxFlg Last Transaction Flag [0..1]TrueFalseIndicator
        • MrchntCtgyCd Merchant Category Code [0..1]Min3Max4Text
        • SaleRefId Sale Reference Identification [0..1]Max35Text
        • TxId Transaction Identification [1..1]TransactionIdentifier1
        • OrgnlTx Original Transaction [0..1]CardPaymentTransaction131
        • RcncltnId Reconciliation Identification [0..1]Max35Text
        • IssrRefData Issuer Reference Data [0..1]Max140Text
        • IssrCITId Issuer CIT Identification [0..1]Max140Text
        • MrchntCITId Merchant CIT Identification [0..1]Max140Text
        • TxDtls Transaction Details [1..1]CardPaymentTransactionDetails53
        • AuthstnRslt Authorisation Result [0..1]AuthorisationResult18
        • MrchntRefData Merchant Reference Data [0..1]Max70Text
        • CstmrOrdr Customer Order [0..1]CustomerOrder1
        • CstmrTkn Customer Token [0..1]CardPaymentToken5
        • CstmrCnsnt Customer Consent [0..1]TrueFalseIndicator
        • CardPrgrmmPropsd Card Programme Proposed [0..*]Max35Text
        • CardPrgrmmApld Card Programme Applied [0..1]Max35Text
        • SaleToPOIData Sale To POI Data [0..1]Max70Text
        • SaleToAcqrrData Sale To Acquirer Data [0..1]Max70Text
        • SaleToIssrData Sale To Issuer Data [0..1]Max70Text
        • AddtlTxData Additional Transaction Data [0..*]Max70Text
    • SctyTrlr Security Trailer [0..1]ContentInformationType37

      Trailer of the message containing a MAC.

      • CnttTp Content Type [1..1]ContentType2Code

        Type of data protection.

      • AuthntcdData Authenticated Data [1..1]AuthenticatedData10

        Data protection by a message authentication code (MAC).

        • Vrsn Version [0..1]Number
        • Rcpt Recipient [1..*]Recipient15Choice (choice)
        • MACAlgo MAC Algorithm [1..1]AlgorithmIdentification31
        • NcpsltdCntt Encapsulated Content [1..1]EncapsulatedContent3
        • MAC MAC [1..1]Max140Binary

Have a caaa.016 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 caaa.016

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

• ExternalCategoryPurpose1Code49 codes
• ExternalLocalInstrument1Code114 codes
• ExternalServiceLevel1Code29 codes

Related acceptor to acquirer card transaction messages

• caaa.011Acceptor Batch Transfer
• caaa.012Acceptor Batch Transfer Response
• caaa.013Acceptor Diagnostic Request
• caaa.014Acceptor Diagnostic Response
• caaa.015Acceptor Rejection
• caaa.017Acceptor Currency Conversion Response
• caaa.018Acceptor Currency Conversion Advice
• caaa.019Acceptor Currency Conversion Advice Response
• caaa.020Transaction Advice
• caaa.021Transaction Advice Response

caaa.016 questions

What is the latest version of caaa.016?

The latest version in the ISO 20022 e-Repository release of 24 April 2025 is caaa.016.001.12.

What is the root element of caaa.016?

The XML document is Document with the namespace urn:iso:std:iso:20022:tech:xsd:caaa.016.001.12, and its message element is AccptrCcyConvsReq (AcceptorCurrencyConversionRequest).

Is there an MT equivalent of caaa.016?

No Swift MT message is listed as its direct equivalent on this site. Many ISO 20022 messages have no MT counterpart.