Transaction IDs | AISP - Option 4 PISP - Option 1 | For AISP, no transaction ID available to TPP. For PISP, a unique transaction ID is generated by the bank. - ASPSPs provide a Unique, Immutable TransactionID from their core system
- ASPSPs generate a Unique TransactionID from a set of Immutable fields
- ASPSPs specify field(s) for TPP to generate a Unique Transaction Identifier
- ASPSPs provide neither a TransactionID nor the method by which TPPs can generate one
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