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ExternalUnitOfMeasure1Code

HDDA Code: Heating Degree Day

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HDDA means heating degree day in the ISO 20022 unit of measure code set. Heating degree day

Code
HDDA
ISO name
HeatingDegreeDay
Status
Registered
Last updated
2022-11-21

Official definition

Heating degree day

Definition from the ISO 20022 External Code Sets, 2Q2026 (published 28 Aug 2026).

Messages and fields that use ExternalUnitOfMeasure1Code

MessageElement path
auth.030TradData/Rpt/New/CmonTradData/TxData/TxPric/UnitOfMeasr/Cd, TradData/Rpt/Mod/CmonTradData/TxData/TxPric/UnitOfMeasr/Cd, TradData/Rpt/Crrctn/CmonTradData/TxData/TxPric/UnitOfMeasr/Cd, TradData/Rpt/Termntn/CmonTradData/TxData/TxPric/UnitOfMeasr/Cd
auth.090AggtdPos/Rpt/PosSet/Dmnsns/UndrlygInstrm/Bskt/Cnsttnts/UnitOfMeasr/Cd, AggtdPos/Rpt/CcyPosSet/Dmnsns/UndrlygInstrm/Bskt/Cnsttnts/UnitOfMeasr/Cd
auth.091RcncltnSttstcs/Rpt/TxDtls/RcncltnRpt/MtchgCrit/CtrctMtchgCrit/UndrlygInstrm/Val1/Bskt/Cnsttnts/UnitOfMeasr/Cd, RcncltnSttstcs/Rpt/TxDtls/RcncltnRpt/MtchgCrit/CtrctMtchgCrit/UndrlygInstrm/Val2/Bskt/Cnsttnts/UnitOfMeasr/Cd
auth.106WrnngsSttstcs/Rpt/AbnrmlVals/Rpt/Wrnngs/TxDtls/NtnlQty/FrstLeg/UnitOfMeasr/Cd, WrnngsSttstcs/Rpt/AbnrmlVals/Rpt/Wrnngs/TxDtls/NtnlQty/ScndLeg/UnitOfMeasr/Cd, WrnngsSttstcs/Rpt/AbnrmlVals/Rpt/Wrnngs/TxDtls/NtnlQty/FrstLeg/Dtls/Term/UnitOfMeasr/Cd, WrnngsSttstcs/Rpt/AbnrmlVals/Rpt/Wrnngs/TxDtls/NtnlQty/ScndLeg/Dtls/Term/UnitOfMeasr/Cd
auth.107TradData/Stat/CmonTradData/TxData/TxPric/UnitOfMeasr/Cd, TradData/Stat/CmonTradData/TxData/NtnlQty/FrstLeg/UnitOfMeasr/Cd, TradData/Stat/CmonTradData/TxData/NtnlQty/ScndLeg/UnitOfMeasr/Cd, TradData/Stat/CmonTradData/CtrctData/UndrlygInstrm/Bskt/Cnsttnts/UnitOfMeasr/Cd

HDDA questions

What does HDDA mean in ISO 20022?
HDDA is Heating Degree Day in the ExternalUnitOfMeasure1Code code set: Heating degree day
Where does HDDA appear in a message?
For example in auth.030, element TradData/Rpt/New/CmonTradData/TxData/TxPric/UnitOfMeasr/Cd.

All ExternalUnitOfMeasure1Code codes · ISO 20022 code sets

The ISO 20022 code 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.