| A01 | Approved: XXXXXX (approval code) | Transaction has been approved. | 
                                                                                                                                                                                                            
                                                                        | A02 | Credit Posted | Credit has been posted on a cardholder’s account. | 
                                                                                                                                                                                                            
                                                                        | A03 | Void Posted (Auth Reversed) | Void has been posted on a cardholder’s account (with authorization reversal). | 
                                                                                                                                                                                                            
                                                                        | A04 | No Update | No updates have been made as a result of account updater operation. | 
                                                                                                                                                                                                            
                                                                        | A05 | Partially Approved | Transaction has been partially approved as a result of split payment. | 
                                                                                                                                                                                                            
                                                                        | A06 | Void Posted (Auth Not Reversed) | Void has been posted on a cardholder’s account (without authorization reversal). | 
                                                                                                                                                                                                            
                                                                        | A07 | Partial Void Posted | Partial void has been posted on a cardholder’s account. | 
                                                                                                                                                                                                            
                                                                        | A08 | Partial Refund Posted | Partial refund has been posted on a cardholder’s account. | 
                                                                                                                                                                                                            
                                                                        | A09 | Incremental Auth Posted | Increment has been posted on a cardholder’s account. | 
                                                                                                                                                                                                            
                                                                        | A10 | Request Accepted | Request has been accepted. | 
                                                                                                                                                                                                            
                                                                        | A11 | Approval (Reversal failed) | Initial transaction was approved by a processor and a subsequent reversal was rejected (void failed). | 
                                                                                                                                                                                                            
                                                                        | A13 | The report was added to the processing queue. | The report has become a queue. Please wait for the report generation. | 
                                                                                                                                                                                                            
                                                                        | A21T | Offline Approval (Sale Posted) | Sale transaction has been approved offline. | 
                                                                                                                                                                                                            
                                                                        | A22T | Offline Approval (Credit Posted) | Credit card transaction has been approved offline. | 
                                                                                                                                                                                                            
                                                                        | D01 | Denied by customer's bank | Transaction has been denied by cardholder's bank. | 
                                                                                                                                                                                                            
                                                                        | D02 | Invalid Expiration Date | Cardholder has entered invalid or malformatted expiration date. | 
                                                                                                                                                                                                            
                                                                        | D03 | Insufficient Funds | Specified credit card does not have sufficient funds. | 
                                                                                                                                                                                                            
                                                                        | D04 | Hold - Pick up card | The cardholder’s bank has declined the transaction and requested cardholder’s credit card to be retained. | 
                                                                                                                                                                                                            
                                                                        | D05 | Invalid card number | Specified credit card number is invalid or does not exist. | 
                                                                                                                                                                                                            
                                                                        | D06 | Account not found. | Specified credit card number is associated with account that does not exist. | 
                                                                                                                                                                                                            
                                                                        | D07 | Incorrect PIN or maximum number of attempts reached | Incorrect PIN/Incorrect PIN has been entered the maximum number of times. | 
                                                                                                                                                                                                            
                                                                        | D08 | CSC is invalid | CSC value is invalid. | 
                                                                                                                                                                                                            
                                                                        | D09 | Duplicate Transaction | The cardholder’s bank has declined the transaction as this transaction appears to be a duplicate transmission. | 
                                                                                                                                                                                                            
                                                                        | D10 | Card reported lost/stolen | The cardholder’s bank has declined the transaction and requested the cardholder’s credit card to be retained because card was reported lost or stolen. | 
                                                                                                                                                                                                            
                                                                        | D11 | Card reported stolen | The cardholder’s bank has declined the transaction and requested the cardholder’s credit card to be retained because card was reported stolen. | 
                                                                                                                                                                                                            
                                                                        | D12 | Service not allowed | Cardholder's credit card or merchant processing account is not configured for the specified type of transaction. | 
                                                                                                                                                                                                            
                                                                        | D13 | Stop Recurring | Cardholder requested stop of specific recurring payment. | 
                                                                                                                                                                                                            
                                                                        | D15 | Maximum transaction limit is exceeded | Maximum transaction limit is exceeded at the moment. Try processing your transaction tomorrow. | 
                                                                                                                                                                                                            
                                                                        | D16 | Card is Expired | A transaction was processed on an expired card. | 
                                                                                                                                                                                                            
                                                                        | D17 | Retry/Re-enter transaction later | An unknown error occurred during the authorization process. Transaction needs to be re-entered. Be sure to analyze provider response message for additional details on when to reattempt. | 
                                                                                                                                                                                                            
                                                                        | D18 | Bad Amount | Specified amount value is invalid. Amount must be a positive number. | 
                                                                                                                                                                                                            
                                                                        | D19 | Unmapped decline | Specified processor's response code is not recognized by the system. The respective request of a received code clarification needs to be addressed to the processor. | 
                                                                                                                                                                                                            
                                                                        | D21 | Pin Try Exceeded | Cardholder has entered the incorrect PIN more than three times. | 
                                                                                                                                                                                                            
                                                                        | D22 | Refund was not processed/received | Refund was not processed successfully or has not been received by the cardholder. | 
                                                                                                                                                                                                            
                                                                        | D25 | Refund limit is reached for the day | Specified merchant has reached the refund limit for the day. | 
                                                                                                                                                                                                            
                                                                        | D26 | Settlement Failed | Submitted transaction cannot be settled. Re-check entered account information and try again. | 
                                                                                                                                                                                                            
                                                                        | D27 | Transaction Error | Submitted transaction has failed. | 
                                                                                                                                                                                                            
                                                                        | D28 | Cashback limit exceeded/Cashback unavailable | Specified amount exceeds cashback limit or cashback is not available. | 
                                                                                                                                                                                                            
                                                                        | D29 | Card is restricted | Specified credit card has some restrictions. | 
                                                                                                                                                                                                            
                                                                        | D30 | Call for Authorization | To proceed with the transaction, call for authorization is needed to confirm the validity of the card. | 
                                                                                                                                                                                                            
                                                                        | D31 | Declined due to fraud rules | Specified credit card appears to be fraudulent. | 
                                                                                                                                                                                                            
                                                                        | D32 | Declined due to fraud engine decision | Transaction has been declined because of fraud detected by a fraud engine. | 
                                                                                                                                                                                                            
                                                                        | D33 | Incorrect merchant setup | Specified merchant is not set up correctly for the submitted transaction. | 
                                                                                                                                                                                                            
                                                                        | D34 | Merchant profile configuration issue | Specified merchant profile was configured incorrectly. | 
                                                                                                                                                                                                            
                                                                        | D35 | Card chip decline | Transaction has been declined by the chip (for EMV cards only). | 
                                                                                                                                                                                                            
                                                                        | D36 | Account Closed | Specified payment card account is closed. | 
                                                                                                                                                                                                            
                                                                        | D37 | Account is inactive | Specified payment card account is inactive. | 
                                                                                                                                                                                                            
                                                                        | D38 | New Card available | New card details need to be requested. | 
                                                                                                                                                                                                            
                                                                        | D40 | AVS Verification Failed | Address information submitted for tokenization transaction has not passed AVS verification successfully. | 
                                                                                                                                                                                                            
                                                                        | D41 | Processing Error | A connection error occurred after the transaction has been submitted. | 
                                                                                                                                                                                                            
                                                                        | D42 | Data encryption/decryption error | One or more fields specified in the transaction cannot be encrypted or decrypted. | 
                                                                                                                                                                                                            
                                                                        | D43 | Account blocked/frozen/inactive | Specified account has been either blocked, frozen or deactivated. | 
                                                                                                                                                                                                            
                                                                        | D44 | MAC key synchronization error or MAC value is incorrect | MAC key used in the transaction is either missing or invalid. | 
                                                                                                                                                                                                            
                                                                        | D45 | Maximum batch amount limit is exceeded | Maximum batch amount limit is exceeded at the moment. Try processing your transaction tomorrow. | 
                                                                                                                                                                                                            
                                                                        | D46 | Additional verification required. Use chip. | D46 требует переключения с contactless на contact, а D48  требует PIN без переключения. | 
                                                                                                                                                                                                            
                                                                        | D47 | Additional 3DSecure verification required. | This card is enrolled in 3DSecure program and 3DSecure verification has to be completed to process the transaction. | 
                                                                                                                                                                                                            
                                                                        | D48 | Additional PIN verification required. | Там из названия всё видно - когда на терминале карту транзакцию с чиповой картой пытаются провести через contactless, а провайдер по каким-то критериям решает, что в транзакции нужен пин и её нужно обработать через чип (через contact). | 
                                                                                                                                                                                                            
                                                                        | D49 | Declined due to fraud suspicion. | Transaction has been declined because of suspected fraud. | 
                                                                                                                                                                                                            
                                                                        | D50 | Authorization limit is reached for the day (VM) | Specified merchant has reached the authorization limit for the day. | 
                                                                                                                                                                                                            
                                                                        | E02 | Processing Network Unavailable | Processing network is temporarily unavailable. | 
                                                                                                                                                                                                            
                                                                        | E03 | Transaction data integrity validation error | Batch transaction data is invalid. | 
                                                                                                                                                                                                            
                                                                        | E04 | Refund limit is reached for the day | Specified merchant has reached the refund limit allowed per day on the account. | 
                                                                                                                                                                                                            
                                                                        | E06 | Card is blacklisted | Payment card is blacklisted. | 
                                                                                                                                                                                                            
                                                                        | E07 | Tokenization not supported | Tokenization is not supported by a processor. | 
                                                                                                                                                                                                            
                                                                        | E08 | Declined by processor | Direct debit transaction has been declined by a processor. | 
                                                                                                                                                                                                            
                                                                        | E10 | 3D Secure Verification Failed | 3D Secure verification has failed. | 
                                                                                                                                                                                                            
                                                                        | E11 | Invalid connection path | The node address, on which terminal was registered, was not found while attempting to send a message to the terminal. | 
                                                                                                                                                                                                            
                                                                        | E12 | Connection timeout | Timeout occurs when the cloud doesn't receive a response from the terminal within 5 minutes while processing the transaction. | 
                                                                                                                                                                                                            
                                                                        | E20 | Terminal is busy: transaction processing in progress | The terminal is busy processing another transaction. Try processing your transaction later. | 
                                                                                                                                                                                                            
                                                                        | E22 | 1) Terminal is currently unreachable (disconnected).
2) Terminal is currently unreachable (interrupted).
3) Terminal is currently unreachable (reregistered). | 1) The terminal was disconnected when the cloud was attempting to send a message to the terminal.
2)The channel between the terminal and cloud is inactive during a time period specified as one-minute timeout due to a bad connection.
3)The terminal disconnected and reregistered while processing the transaction (occurs when the terminal submits repeated registration request without interrupting the connection with cloud established before):
*The terminal is connected to the cloud, and the cloud saves ''terminalKey'' in cache.
*Transaction processing request is submitted to the POS.
*The POS is waiting for a response.
*The transaction request is submitted to the terminal.
*The terminal is reregistered instead of processing the request.
*The cloud identifies that the terminal was reregistered since the ''terminalKey'' is not deleted from the cache, and the terminal has not been turned off and disconnected correctly.
*Cloud receives a repeated registration request from the terminal and forwards it to the POS as a transaction response. | 
                                                                                                                                                                                                            
                                                                        | E24 | Referenced Terminal is not found within Cloud or not accessible to the current user | The terminal is not found in the system due to one of the following reasons: the terminal is not registered (is not turned on); the node address, on which the terminal was registered, is not found; the submitted terminalCode is incorrect, or the current user doesn't have access to the terminal. | 
                                                                                                                                                                                                            
                                                                        | E31 | Declined due to pre-processing rules | Transaction has been declined due to the pre-processing rules | 
                                                                                                                                                                                                            
                                                                        | X01 | Processing Cancelled by User | Transaction processing has been cancelled by a cardholder. | 
                                                                                                                                                                                                            
                                                                        | X02 | Pending processing | Batch transaction is still processed on a processor's side. | 
                                                                                                                                                                                                            
                                                                        | X03 | 3D Secure Verification Required | 3D Secure verification is required. | 
                                                                                                                                                                                                            
                                                                        | X04 | Processing cancelled: the request has expired. | Transaction processing has been cancelled due to a user being inactive for a time period specified as a timeout (default: 15 minutes). | 
                                                                                                                                                                                                            
                                                                        | Z01 | Reversal received | Reversal has been received. | 
                                                                                                                                                                                                            
                                                                        | Z02 | Chargeback received | Chargeback has been received. |