11.3.1 Duplicate Check

Duplicate check validation is performed for following fields:
  • Host Code
  • Sender
  • Reference Number (Field 20)
  • Message Index (28D)
  • Message Total (28D)

If the above-mentioned field values match any inbound message or inbound MT101 transaction with Sequence A, the incoming MT101 sequence A leg moves to Business Override.

Parent topic: Inbound Charge Claim Processing