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supl: Supplementary Data

supl.031 DTCCCASTSD1

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supl.031 is the ISO 20022 DTCCCASTSD1 message in the Supplementary Data business area (supl). The latest version is supl.031.001.06, and 5 versions are in the repository.

Message
DTCCCASTSD1
Latest version
supl.031.001.06
Submitting organisation
Not read from the catalogue
MT equivalent
None listed

In use: published in the current ISO 20022 catalogue.

What supl.031 is for

The DTCCCASTSD1 message extends ISO corporate action instruction statement report message with DTCC corporate action elements not covered in the standard message.

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

supl.031 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
supl.031.001.06latestRegisteredLatest version set
supl.031.001.05RegisteredArchive
supl.031.001.04RegisteredArchive
supl.031.001.03RegisteredArchive
supl.031.001.02RegisteredArchive

supl.031 message structure

The building blocks of supl.031.001.06 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]
    • DTCCCASTSD1 DTCCCASTSD1 [1..1]
      • EvtBalDtls Event Balance Details [0..1]CorporateActionBalanceSD5

        Information to be extended as supplementary data to corporate action balance details at event level.

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

          Xpath to the element that is being extended.

        • TtlUcvrdPrtctBal Total Uncovered Protect Balance [0..1]SignedQuantityFormat9

          Balance of uncovered protect transactions at an event level.

          • ShrtLngPos Short Long Position [1..1]ShortLong1Code
          • Qty Quantity [1..1]FinancialInstrumentQuantity15Choice (choice)
      • TtlInstdBalOptnBalDtls Total Instructed Balance Option Balance Details [0..*]CorporateActionInstructedBalanceOptionBalanceSD3

        Information to be extended as supplementary data to corporate action balance details at option level.

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

          Xpath to the element that is being extended.

        • OptnNb Option Number [1..1]OptionNumber1Choice (choice)

          Option Number of the extended balances.

          • Nb Number [1..1]Exact3NumericText
          • Cd Code [1..1]OptionNumber1Code
        • OptnUcvrdPrtctBal Option Uncovered Protect Balance [0..1]SignedQuantityFormat9

          Balance of uncovered protect transactions at an option level.

          • ShrtLngPos Short Long Position [1..1]ShortLong1Code
          • Qty Quantity [1..1]FinancialInstrumentQuantity15Choice (choice)
        • OptnOvrsbcptQty Option Oversubscription Quantity [0..1]SignedQuantityFormat9

          For rights subscription events, total number of oversubscribed units.

          • ShrtLngPos Short Long Position [1..1]ShortLong1Code
          • Qty Quantity [1..1]FinancialInstrumentQuantity15Choice (choice)
        • OptnUaccptdBal Option Unaccepted Balance [0..1]SignedQuantityFormat9

          For election merger events, the balance that is being moved into another option number for payment due to the proration of the original option.

          • ShrtLngPos Short Long Position [1..1]ShortLong1Code
          • Qty Quantity [1..1]FinancialInstrumentQuantity15Choice (choice)
      • TtlInstdBalOptnInstrDtls Total Instructed Balance Option Instruction Details [0..*]CorporateActionInstructedBalanceOptionInstructionSD5

        Information to be extended as supplementary data to corporate action balance details at option instruction details level.

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

          Xpath to the element that is being extended.

        • OptnNb Option Number [1..1]OptionNumber1Choice (choice)

          Number identifying the available corporate action options.

          • Nb Number [1..1]Exact3NumericText
          • Cd Code [1..1]OptionNumber1Code
        • PrtctId Protect Identification [0..1]Max15Text

          Instruction reference number assigned by DTC to the uncovered protect instruction.

        • TxContraCUSIP Transaction Contra CUSIP [0..1]OtherIdentification2

          Contra CUSIP Identification of the option instruction.

          • Id Identification [1..1]RestrictedFINXMax31Text
          • Sfx Suffix [0..1]Max16Text
          • Tp Type [1..1]IdentificationSource4Choice (choice)
        • TxIdOvrsbcptQty Transaction Identification Oversubscription Quantity [0..1]FinancialInstrumentQuantity15Choice (choice)

          Quantity relating only to the oversubscription.

          • Unit Unit [1..1]RestrictedFINDecimalNumber
          • FaceAmt Face Amount [1..1]RestrictedFINImpliedCurrencyAndAmount
          • AmtsdVal Amortised Value [1..1]RestrictedFINImpliedCurrencyAndAmount
        • TxIdSts Transaction Identification Status [1..1]DTCInstructionStatus2Code

          Status of the instruction.

        • TaxCtgy Tax Category [0..99]TaxCategory2

          Tax category number assigned on the announcement to provide a breakdown at a category level on the inbound instruction to determine tax treatment as...

          • PlcAndNm Place And Name [0..1]Max350Text
          • Id Identification [0..1]Max2NumericText
          • Qty Quantity [0..1]FinancialInstrumentQuantity15Choice (choice)
          • Ctry Country [0..1]CountryCode
      • TtlInstdBalOptnPrtctInstrDtls Total Instructed Balance Option Protect Instruction Details [0..*]CorporateActionInstructedBalanceOptionProtectInstructionSD4

        Information to be extended as supplementary data to corporate action balance details at option protect instruction details level.

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

          Xpath to the element that is being extended.

        • OptnNb Option Number [1..1]OptionNumber1Choice (choice)

          Option number of the protect instruction.

          • Nb Number [1..1]Exact3NumericText
          • Cd Code [1..1]OptionNumber1Code
        • PrtctId Protect Identification [0..1]Max15Text

          Instruction reference number assigned by DTC to the uncovered protect instruction.

        • PrtctSfkpgAcct Protect Safekeeping Account [0..1]RestrictedFINMax35Text

          For cover protect instructions whereby one safekeeping account is covering on behalf of another safekeeping account.

        • PrtctIdUcvrdQty Protect Identification Uncovered Quantity [0..1]FinancialInstrumentQuantity15Choice (choice)

          Quantity of the protect instruction which has not been covered.

          • Unit Unit [1..1]RestrictedFINDecimalNumber
          • FaceAmt Face Amount [1..1]RestrictedFINImpliedCurrencyAndAmount
          • AmtsdVal Amortised Value [1..1]RestrictedFINImpliedCurrencyAndAmount
        • PrtctIdOvrsbcptQty Protect Identification Oversubscription Quantity [0..1]FinancialInstrumentQuantity15Choice (choice)

          Protect oversubscription quantity.

          • Unit Unit [1..1]RestrictedFINDecimalNumber
          • FaceAmt Face Amount [1..1]RestrictedFINImpliedCurrencyAndAmount
          • AmtsdVal Amortised Value [1..1]RestrictedFINImpliedCurrencyAndAmount
        • PrtctIdSts Protect Identification Status [0..1]DTCProtectInstructionStatus1Code

          Status of the protect instruction.

Have a supl.031 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 supl.031

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

supl.031 questions

What is the latest version of supl.031?
The latest version in the ISO 20022 e-Repository release of 24 April 2025 is supl.031.001.06.
What is the root element of supl.031?
The XML document is Document with the namespace urn:iso:std:iso:20022:tech:xsd:supl.031.001.06, and its message element is DTCCCASTSD1 (DTCCCASTSD1).
Is there an MT equivalent of supl.031?
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.