| 00 | Approved03 |
| 05 | Invalid Seller Or Acquiring Bank Code |
| 09 | Transaction Pending |
| 12 | Invalid Transaction |
| 13 | Invalid Amount14 |
| 20 | Invalid Response |
| 30 | Format Error |
| 31 | Invalid Bank39 |
| 45 | Duplicate Seller Order Number |
| 46 | Invalid Seller Exchange Or Seller47 |
| 48 | Maximum Transaction Limit Exceeded49 |
| 50 | Invalid Seller for Merchant Specific Limit |
| 51 | Insufficient Funds |
| 53 | No Buyer Account Number |
| 57 | Transaction Not Permitted |
| 58 | Transaction To Merchant Not Permitted |
| 70 | Invalid Serial Number |
| 76 | Transaction Not Found |
| 77 | Invalid Buyer Name Or Buyer ID |
| 78 | Decryption Failed |
| 79 | Host Decline When Down |
| 80 | Buyer Cancel Transaction |
| 83 | Invalid Transaction Model |
| 84 | Invalid Transaction Type |
| 85 | Internal Error At Bank System87 |
| 88 | Credit Failed Exception Handling |
| 89 | Transaction Not Received Exception Handling |
| 90 | Bank Internet Banking Unavailable |
| 92 | Invalid Buyer Bank |
| 96 | System Malfunction |
| 98 | MAC Error |
| 99 | Pending Authorization (Applicable for B2B model)BB |
| BC | Transaction Cancelled By Customer |
| DA | Invalid Application Type |
| DB | Invalid Email Format |
| DC | Invalid Maximum Frequency |
| DD | Invalid Frequency Mode |
| DE | Invalid Expiry Date |
| DF | Invalid e-Mandate Buyer Bank ID |
| FE | Internal Error |
| OE | Transaction Rejected As Not In FPX Operating HoursOF |
| SB | Invalid Acquiring Bank Code |
| XA | Invalid Source IP Address (Applicable for B2B2 model)XB |
| XE | Invalid Message |
| XF | Invalid Number Of OrdersXI |
| XM | Invalid FPX Transaction Model |
| XN | Transaction Rejected Due To Duplicate Seller Exchange Order Number |
| XO | Duplicate Exchange Order Number |
| XS | Seller Does Not Belong To Exchange |
| XT | Invalid Transaction Type |
| XW | Seller Exchange Date Difference Exceeded1A |
| 1B | Buyer Failed To Provide The Necessary Info To Login To Internet Banking Login Page |
| 1C | Buyer Choose Cancel At Login Page |
| 1D | Buyer Session Timeout At Account Selection Page |
| 1E | Buyer Failed To Provide The Necessary Info At Account Selection Page |
| 1F | Buyer Choose Cancel At Account Selection Page |
| 1G | Buyer Session Timeout At TAC Request Page |
| 1H | Buyer Failed To Provide The Necessary Info At TAC Request Page |
| 1I | Buyer Choose Cancel At TAC Request Page |
| 1J | Buyer Session Timeout At Confirmation Page |
| 1K | Buyer Failed To Provide The Necessary Info At Confirmation Page |
| 1L | Buyer Choose Cancel At Confirmation Page |
| 1M | Internet Banking Session Timeout. |
| 2A | Transaction Amount Is Lower Than Minimum Limit |
| 2X | Transaction Is Canceled By Merchant |