What does CRST mean in ISO 20022?

CRST is Cross Trade in the ExternalTradeTransactionCondition1Code code set: Cross trades are allowed whereby buy and sell orders are offset without recording the trade on the exchange

Where does CRST appear in a message?

For example in setr.027, element TradDtls/TradTxCond/Cd.

ExternalTradeTransactionCondition1Code

CRST Code: Cross Trade

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

CRST means cross trade in the ISO 20022 trade transaction condition code set. Cross trades are allowed whereby buy and sell orders are offset without recording the trade on the exchange

Code: CRST
ISO name: CrossTrade
Status: Registered
Last updated: 2011-08-31

Official definition

Cross trades are allowed whereby buy and sell orders are offset without recording the trade on the exchange

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

Messages and fields that use ExternalTradeTransactionCondition1Code

Message	Element path
setr.027	TradDtls/TradTxCond/Cd
setr.044	PtyTradgDtls/TradTxCond/Cd, CtrPtyTradgDtls/TradTxCond/Cd

CRST in other code sets

CRST in ExternalRegulatoryReportingType1Code

CRST questions

What does CRST mean in ISO 20022?: CRST is Cross Trade in the ExternalTradeTransactionCondition1Code code set: Cross trades are allowed whereby buy and sell orders are offset without recording the trade on the exchange
Where does CRST appear in a message?: For example in setr.027, element TradDtls/TradTxCond/Cd.

All ExternalTradeTransactionCondition1Code 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.