What is the latest version of acmt.012?

The latest version in the ISO 20022 e-Repository release of 24 April 2025 is acmt.012.001.04.

What is the root element of acmt.012?

The XML document is Document with the namespace urn:iso:std:iso:20022:tech:xsd:acmt.012.001.04, and its message element is AcctAddtlInfReq (AccountAdditionalInformationRequest).

Is there an MT equivalent of acmt.012?

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

acmt: Account Management

acmt.012 Account Additional Information Request

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

acmt.012 is the ISO 20022 AccountAdditionalInformationRequest message in the Account Management business area (acmt). The latest version is acmt.012.001.04, and 4 versions are in the repository.

Message: AccountAdditionalInformationRequest
Latest version: acmt.012.001.04
Submitting organisation: Swift
MT equivalent: None listed

In use: published in the current ISO 20022 catalogue.

What acmt.012 is for

The AccountAdditionalInformationRequest message is sent from a financial institution to an organisation as part of maintenance process. This message is sent in response to a maintenance request message from the organisation, if the business content is valid, but additional information is required.

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

acmt.012 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
acmt.012.001.04latest	Registered	Latest version set
acmt.012.001.03	Registered	Previous version set
acmt.012.001.02	Registered	Archive
acmt.012.001.01	Registered	Archive

acmt.012 message structure

The building blocks of acmt.012.001.04 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]
- AcctAddtlInfReq AccountAdditionalInformationRequest [1..1]
  - Refs References [1..1]References3
    Set of elements for the identification of the message and related references.
    - MsgId Message Identification [1..1]MessageIdentification1
      Identifies a message by a unique identifier and the date and time when the message was created by the sender.
      - Id Identification [1..1]Max35Text
      - CreDtTm Creation Date Time [1..1]ISODateTime
    - ReqToBeCmpltdId Request To Be Completed Identification [1..1]MessageIdentification1
      Identification of the request message that has to be completed.
      - Id Identification [1..1]Max35Text
      - CreDtTm Creation Date Time [1..1]ISODateTime
    - PrcId Process Identification [1..1]MessageIdentification1
      Identifies a process by a unique identifier and the date and time when the first message belonging to the process was created by the sender.
      - Id Identification [1..1]Max35Text
      - CreDtTm Creation Date Time [1..1]ISODateTime
    - ReqRsn Request Reason [1..*]Max35Text
      Reason of the request.
    - AttchdDocNm Attached Document Name [0..*]Max70Text
      File name of a document logically related to the request.
  - Fr From [0..1]OrganisationIdentification39
    Identifies the business sender of the message, if it is not the account owner or account servicing financial institution.
    - AnyBIC Any BIC [0..1]AnyBICDec2014Identifier
      Business identification code of the organisation.
    - LEI LEI [0..1]LEIIdentifier
      Legal entity identification as an alternate identification for a party.
    - Othr Other [0..*]GenericOrganisationIdentification3
      Unique identification of an organisation, as assigned by an institution, using an identification scheme.
      - Id Identification [1..1]Max256Text
      - SchmeNm Scheme Name [0..1]OrganisationIdentificationSchemeName1Choice (choice)
      - Issr Issuer [0..1]Max35Text
  - OrgId Organisation Identification [1..1]OrganisationIdentification39
    Identifier for an organisation.
    - AnyBIC Any BIC [0..1]AnyBICDec2014Identifier
      Business identification code of the organisation.
    - LEI LEI [0..1]LEIIdentifier
      Legal entity identification as an alternate identification for a party.
    - Othr Other [0..*]GenericOrganisationIdentification3
      Unique identification of an organisation, as assigned by an institution, using an identification scheme.
      - Id Identification [1..1]Max256Text
      - SchmeNm Scheme Name [0..1]OrganisationIdentificationSchemeName1Choice (choice)
      - Issr Issuer [0..1]Max35Text
  - AcctSvcrId Account Servicer Identification [1..1]BranchAndFinancialInstitutionIdentification8
    Unique and unambiguous identifier of a financial institution, as assigned under an internationally recognised or proprietary identification scheme.
    - FinInstnId Financial Institution Identification [1..1]FinancialInstitutionIdentification23
      Unique and unambiguous identification of a financial institution, as assigned under an internationally recognised or proprietary identification...
      - BICFI BICFI [0..1]BICFIDec2014Identifier
      - ClrSysMmbId Clearing System Member Identification [0..1]ClearingSystemMemberIdentification2
      - LEI LEI [0..1]LEIIdentifier
      - Nm Name [0..1]Max140Text
      - PstlAdr Postal Address [0..1]PostalAddress27
      - Othr Other [0..1]GenericFinancialIdentification1
    - BrnchId Branch Identification [0..1]BranchData5
      Identifies a specific branch of a financial institution.
      - Id Identification [0..1]Max35Text
      - LEI LEI [0..1]LEIIdentifier
      - Nm Name [0..1]Max140Text
      - PstlAdr Postal Address [0..1]PostalAddress27
  - AcctId Account Identification [1..*]AccountForAction1
    Unique and unambiguous identification of the account between the account owner and the account servicer.
    - Id Identification [1..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
    - Ccy Currency [1..1]ActiveCurrencyCode
      Medium of exchange of value.
  - DgtlSgntr Digital Signature [0..*]PartyAndSignature4
    Contains the signature with its components, namely signed info, signature value, key info and the object.
    - Pty Party [1..1]PartyIdentification272
      Entity involved in an activity.
      - 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
    - Sgntr Signature [1..1]SkipPayload
      Signature of a party.
  - 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.012 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.012

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.012 questions

What is the latest version of acmt.012?: The latest version in the ISO 20022 e-Repository release of 24 April 2025 is acmt.012.001.04.
What is the root element of acmt.012?: The XML document is Document with the namespace urn:iso:std:iso:20022:tech:xsd:acmt.012.001.04, and its message element is AcctAddtlInfReq (AccountAdditionalInformationRequest).
Is there an MT equivalent of acmt.012?: 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.