ISO 20022 · System balance type

BLOCBlocked Trades

Registered in sourceSource release: August 2026 (v3)

Published definition

Balance representing the projected total of all cash legs for trades settling via a central securities depository that have been matched but blocked in order to not settle. These blocked trades are included in the calculation for settlement (for example to avoid overdrafts). Usage rule: Blocking can be done by account owner or its counterparties. Usually this is done to chain transactions or to prioritise other trades. Blocked trades have an indicator that prevents the transactions from settling. Once matched, they can settle whenever the freeze is lifted. In this case they will move to FSET. Lifting the freeze can happen anytime during the day and the transaction will be settling in the next settlement cycle which can be the same day if the (international) central securities depository's operates several settlements cycles per day.

Code set and usage

System balance type contains 70 registered codes. Its exact identifier is ExternalSystemBalanceType1Code.

Specifies the system balance type, as published in an external system balance type code set. External code sets can be downloaded from www.iso20022.org.

Use the code with the applicable message version and implementation guide. A matching code value alone does not establish the same meaning in another set.

View 7 published message references