| -6 | OPERATION NOT PROCESSED (retry the operation) |
| -11 | INVALID REQUEST CODE |
| -1001 | UNABLE TO PROCESS OPERATION, MISSING CARD DATA |
| -1002 | UNABLE TO AUTHENTICATE CLIENT |
| -1003 | UNABLE TO RETRIEVE ORIGINAL SALE DATA |
| -1004 | UNABLE TO PROCESS OPERATION |
| -1005 | AUTHENTICATION ERROR (PUCE) |
| -1006 | UNABLE TO CONTINUE OPERATION (invalid idrequest) |
| -1007 | MISSING DATA OR MERCHANT NOT CORRECTLY CONFIGURED |
| -1008 | NO CONNECTION WITH BANK, OPERATION COULD NOT BE PROCESSED |
| -1009 | CARD NOT FOUND |
| -1010 | INVALID MESSAGE FORMAT |
| -1011 | INVALID CONTRACT NUMBER |
| -1012 | EMPTY FILE BATCH RECEIVED |
| -1013 | UNABLE TO STORE BATCH FILE |
| -1014 | INCORRECT BATCH FILE FORMAT |
| -1015 | UNABLE TO PROCESS BATCH FILE |
| -1016 | BATCH FILE NOT FOUND |
| -1017 | UNAUTHORIZED CARD |
| 0 | OPERATION ACCEPTED |
| 101 | EXPIRED CARD |
| 102 | POSSIBLE FRAUD, DENIED |
| 106 | EXCEEDED PIN ATTEMPTS |
| 107 | DENIED, CALL ISSUER |
| 117 | INCORRECT PIN |
| 126 | PIN BLOCK ERROR |
| 160 | OPERATION DENIED, UNSECURED DATA IN SNCP MERCHANT |
| 180 | UNSUPPORTED CARD, DENIED |
| 190 | DENIED FOR VARIOUS REASONS |
| 192 | DENIED, UNABLE TO VERIFY AUTHENTICATION BY REFERENCE |
| 193 | DENIED, AUTHENTICATION AMOUNT EXCEEDED |
| 195 | DENIED, FOREIGN CARD FALLBACK |
| 198 | DCC OFFERED |
| 201 | EXPIRED CARD, REMOVE CARD |
| 202 | BLACKLISTED OR FRAUD-SUSPECTED CARD |
| 206 | PIN ATTEMPTS EXCEEDED, CAPTURE CARD |
| 290 | DENIED FOR VARIOUS REASONS |
| 400 | CANCELLATION PROCESSED |
| 480 | CANCELLATION DENIED |
| 481 | CANCELLATION DENIED |
| 901 | ACCEPTED AND ADD TO BLACKLIST |
| 904 | INCORRECT MESSAGE FORMAT |
| 909 | SYSTEM ERROR (AUTHORIZING ENTITY) |
| 912 | RESOLVER CENTER NOT AVAILABLE |
| 913 | DUPLICATE REVERSAL/CANCELLATION MESSAGE RECEIVED (ANOTHER MESSAGE WITH THE SAME RTS HAS ALREADY BEEN PROCESSED) |
| 914 | CANCELLATION NOT ACCEPTED |
| 915 | COLLECTION REJECTED, REFERENCED OPERATIONS NOT FOUND |
| 916 | MAC ERROR |
| 940 | SALE RECEIVED ON AN ALREADY CANCELED OPERATION RESPONDED WITH 914 OR 481 |
| 944 | SESSION NOT ALLOWED |
| 947 | REPEAT MESSAGE RECEIVED WHILE ORIGINAL IS BEING PROCESSED, REPEAT IGNORED |
| 948 | UNSYNCHRONIZED DATE AND TIME |
| 949 | EXPIRATION DATE DOES NOT MATCH WHAT THE ISSUER HAS ON RECORD |
| 950 | VIOLATION OF EXISTING RULES FOR LOCAL AUTHORIZATION |
| 955 | VIOLATION OF EXISTING RULES FOR REFUND |