The following line formats must be used:
Conditional (C5)
This field specifies additional information for the Receiver, ie, Sender of the original message regarding the reason for a return, ie, reversal, rejection or revocal.
The codes REJT or RETN must be used in this field in the first position of the first line, placed between slashes ('/'). It is mandatory to follow the Generic Payment Reject Mechanism described in Standards Usage Guidelines.
The first element in line 1 must contain either code /RETN/ or /REJT/ (Error code(s): D82).
The Reject/Return mechanism is used to reject or return all the transactions within the MT 104 message due to e.g. non-compliance with the domestic scheme requirements. For returns or rejections of a single transaction within the MT 104 (ie, sequence B), the MT 195 should be used as per the Standards Usage Guidelines.