What is the latest version of camt.026?

The latest version in the ISO 20022 e-Repository release of 24 April 2025 is camt.026.001.10.

What is the root element of camt.026?

The XML document is Document with the namespace urn:iso:std:iso:20022:tech:xsd:camt.026.001.10, and its message element is UblToApply (UnableToApply).

Is there an MT equivalent of camt.026?

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

camt: Cash Management

camt.026 Unable To Apply

Written and maintained by ZagTrader. Last reviewed 21 October 2026. How this page is sourced and checked

camt.026 is the ISO 20022 UnableToApply message in the Cash Management business area (camt). The latest version is camt.026.001.10, and 10 versions are in the repository.

Message: UnableToApply
Latest version: camt.026.001.10
Submitting organisation: Swift
MT equivalent: None listed

In use: published in the current ISO 20022 catalogue.

What camt.026 is for

The UnableToApply message is sent by a case creator or a case assigner to a case assignee. This message is used to initiate an investigation of a payment instruction that cannot be executed or reconciled.
The Unable To Apply case occurs in two situations:
- an agent cannot execute the payment instruction due to missing or incorrect information;
- a creditor cannot reconcile the payment entry as it is received unexpectedly, or missing or incorrect information prevents reconciliation.
The UnableToApply message:
- always follows the reverse route of the original payment instruction;
- must be forwarded to the preceding agents in the payment processing chain, where appropriate;
- covers one and only one payment instruction (or payment entry) at a time; if several payment instructions cannot be executed or several payment entries cannot be reconciled, then multiple UnableToApply messages must be sent.
Depending on what stage the payment is and what has been done to it, for example incorrect routing, errors/omissions when processing the instruction or even the absence of any error, the unable to apply case may lead to a:
- AdditionalPaymentInformation message, sent to the case creator/case assigner, if a truncation or omission in a payment instruction prevented reconciliation;

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

camt.026 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.

Version	Registration status	Published in
camt.026.001.10latest	Registered	Latest version set
camt.026.001.09	Registered	Previous version set
camt.026.001.08	Registered	Archive
camt.026.001.07	Registered	Archive
camt.026.001.06	Registered	Archive
camt.026.001.05	Registered	Archive
camt.026.001.04	Registered	Archive
camt.026.001.03	Registered	Archive
camt.026.001.02	Provisionally Registered	Archive
camt.026.001.01	Registered	Archive

camt.026 message structure

The building blocks of camt.026.001.10 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]
- UblToApply UnableToApply [1..1]
  - Assgnmt Assignment [1..1]CaseAssignment6
    Identifies the assignment of an investigation case from an assigner to an assignee.
    - Id Identification [1..1]Max35Text
      Uniquely identifies the case assignment.
    - Assgnr Assigner [1..1]Party50Choice (choice)
      Party who assigns the case.
      - Pty Party [1..1]PartyIdentification272
      - Agt Agent [1..1]BranchAndFinancialInstitutionIdentification8
    - Assgne Assignee [1..1]Party50Choice (choice)
      Party to which the case is assigned.
      - Pty Party [1..1]PartyIdentification272
      - Agt Agent [1..1]BranchAndFinancialInstitutionIdentification8
    - CreDtTm Creation Date Time [1..1]ISODateTime
      Date and time at which the assignment was created.
  - Case Case [0..1]Case6
    Identifies the investigation case.
    - Id Identification [1..1]Max35Text
      Uniquely identifies the case.
    - Cretr Creator [1..1]Party50Choice (choice)
      Party that created the investigation case.
      - Pty Party [1..1]PartyIdentification272
      - Agt Agent [1..1]BranchAndFinancialInstitutionIdentification8
    - ReopCaseIndctn Reopen Case Indication [0..1]YesNoIndicator
      Indicates whether or not the case was previously closed and is now re-opened.
  - Undrlyg Underlying [1..1]UnderlyingTransaction8Choice (choice)
    References the payment instruction or statement entry that a party is unable to execute or unable to reconcile.
    - Initn Initiation [1..1]UnderlyingPaymentInstruction9
      Set of elements used to reference the details of the original payment initiation.
      - OrgnlGrpInf Original Group Information [0..1]UnderlyingGroupInformation1
      - OrgnlPmtInfId Original Payment Information Identification [0..1]Max35Text
      - OrgnlInstrId Original Instruction Identification [0..1]Max35Text
      - OrgnlEndToEndId Original End To End Identification [0..1]Max35Text
      - OrgnlUETR Original UETR [0..1]UUIDv4Identifier
      - OrgnlInstdAmt Original Instructed Amount [0..1]ActiveOrHistoricCurrencyAndAmount
      - ReqdExctnDt Requested Execution Date [0..1]DateAndDateTime2Choice (choice)
      - ReqdColltnDt Requested Collection Date [0..1]ISODate
      - OrgnlTxRef Original Transaction Reference [0..1]OriginalTransactionReference42
      - OrgnlSvcLvl Original Service Level [0..1]ServiceLevel8Choice (choice)
    - IntrBk Interbank [1..1]UnderlyingPaymentTransaction8
      Set of elements used to reference the details of the original interbank payment transaction.
      - OrgnlGrpInf Original Group Information [0..1]UnderlyingGroupInformation1
      - OrgnlInstrId Original Instruction Identification [0..1]Max35Text
      - OrgnlEndToEndId Original End To End Identification [0..1]Max35Text
      - OrgnlTxId Original Transaction Identification [0..1]Max35Text
      - OrgnlUETR Original UETR [0..1]UUIDv4Identifier
      - OrgnlIntrBkSttlmAmt Original Interbank Settlement Amount [0..1]ActiveOrHistoricCurrencyAndAmount
      - OrgnlIntrBkSttlmDt Original Interbank Settlement Date [0..1]ISODate
      - OrgnlTxRef Original Transaction Reference [0..1]OriginalTransactionReference42
      - OrgnlSvcLvl Original Service Level [0..1]ServiceLevel8Choice (choice)
    - StmtNtry Statement Entry [1..1]UnderlyingStatementEntry3
      Reference details on the underlying statement cash entry.
      - OrgnlGrpInf Original Group Information [0..1]OriginalGroupInformation29
      - OrgnlStmtId Original Statement Identification [0..1]Max35Text
      - OrgnlNtryId Original Entry Identification [0..1]Max35Text
      - OrgnlUETR Original UETR [0..1]UUIDv4Identifier
  - Justfn Justification [1..1]UnableToApplyJustification4Choice (choice)
    Explains the reason why the case creator is unable to apply the instruction.
    - AnyInf Any Information [1..1]YesNoIndicator
      Indicates whether or not all available information on the underlying payment instruction is requested.
    - MssngOrIncrrctInf Missing Or Incorrect Information [1..1]MissingOrIncorrectData1
      Set of elements used to indicate which information is missing or incorrect.
      - AMLReq Anti Money Laundering Request [0..1]AMLIndicator
      - MssngInf Missing Information [0..10]UnableToApplyMissing2
      - IncrrctInf Incorrect Information [0..10]UnableToApplyIncorrect2
    - PssblDplctInstr Possible Duplicate Instruction [1..1]TrueFalseIndicator
      Indicates whether or not the referred item is a possible duplicate of a previous instruction or entry.
  - 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 camt.026 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 camt.026

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

camt.026 questions

What is the latest version of camt.026?: The latest version in the ISO 20022 e-Repository release of 24 April 2025 is camt.026.001.10.
What is the root element of camt.026?: The XML document is Document with the namespace urn:iso:std:iso:20022:tech:xsd:camt.026.001.10, and its message element is UblToApply (UnableToApply).
Is there an MT equivalent of camt.026?: 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.