| R | Payment card (debit or credit) | 
                                            
| C | Checking | 
                                            
| S | Savings | 
                                            
| CCD | Corporate credit or debit | 
                                            
| PPD | Prearranged payment and deposit entry | 
                                            
| TEL | Telephone initiated entry | 
                                            
| WEB | Internet initiayed entry | 
                                            
| C21 | Check 21 | 
                                            
| FF | Franchising fee | 
                                            
| P | Person | 
                                            
| O | Organization (Corporation) | 
                                            
| DM | Direct marketing | 
                                            
| EC | Ecommerce | 
                                            
| VC | Visa credit card | 
                                            
| VD | Visa debit card | 
                                            
| MC | MasterCard credit card | 
                                            
| MD | MasterCard debit card | 
                                            
| DC | Discover credit card | 
                                            
| DD | Discover debit card | 
                                            
| AC | AmEx credit card | 
                                            
| NC | Diners credit card | 
                                            
| BD | Bank debit card | 
                                            
| BC | Checking account | 
                                            
| BS | Savings account | 
                                            
| VP | Visa prepaid card | 
                                            
| VS | Visa fleet card | 
                                            
| MP | MasterCard prepaid card | 
                                            
| MF | MasterCard fleet card | 
                                            
| EF | EBT food stamp | 
                                            
| EC | EBT cash benefit | 
                                            
| GG | General gift card | 
                                            
| FL | Fleet One card | 
                                            
| GF | Fuelman or FleetWide card | 
                                            
| VF | Voyager fleet card | 
                                            
| WX | WEX fleet card | 
                                            
| VE | Visa debit checking account | 
                                            
| VV | Visa debit saving account | 
                                            
| UC | UnionPay credit card | 
                                            
| UD | UnionPay debit card | 
                                            
| S | Sale (operation used to withdraw specific amount of money from the supplied credit card or bank account) | 
                                            
| C | Credit (operation used to deposit (return) specific amount of money to the supplied credit card or bank account) | 
                                            
| D | Sale decline (sale transaction that got declined) | 
                                            
| X | Credit decline (credit transaction that got declined) | 
                                            
| E | Error (transaction that did not go through an internal validation of the gateway and was not sent for further processing) | 
                                            
| B | Blacklist (transaction, which has not been processed, as the account is in the blacklist due to the previous hard decline) | 
                                            
| N | Return (represents direct debit payment that is not honored by a bank) | 
                                            
| G | Chargeback (operation of reversal of a prior outbound transfer of funds from a customer's bank account or credit card) | 
                                            
| R | Reversal (operation where credit card chargeback is reversed - money is given back to the merchant or customer) | 
                                            
| U | Notice of change (represents direct debit transaction that is returned by the customer's bank as a notification that some details of the transaction were corrected) | 
                                            
| J | Reject (direct debit payment that is rejected by the bank due to insufficient funds or errors in payment order) |