The following fields are required when creating an authorization reversal request:
auth_request_id
Set to the request ID that was included in the authorization reply message.
currency
grand_total_amount
Either
grand_total_amount
 or
offer0
 and
amount
 must be included in the request.
ics_applications
Set to
ics_auth_reversal
.
merchant_id
merchant_ref_number
payment_solution
Set to
008
.