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String Alphanumeric 13 XIE External transaction ID String Alphanumeric+ 1-20 MPY Payment method String 1-10 CRD Card Complex CLV Card level String “1”, “2”, “3” SCN Scrambled card number String Alphanumeric 8-19 EXP Expiration date String MMYY 4 BAC Bank account Complex RTN Routing number String Alphanumeric 1-20 SAN Scrambled ... ................
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