Option R | 32x |
Mandatory in optional subsequence C1a
This field specifies - in combination with the namespace - the previous unique transaction identifier that was created at the time a transaction was executed.
Industry practices have to be followed for the creation of the Prior Unique Transaction Identifier (PUTI). The PUTI is a combination of Namespace and Prior Transaction Identifier.
This field might be required when there is an allocation, novation or clearing trade.
The Prior UTI is also called Prior USI (Prior Unique SWAP Identifier).