ADDACS (Automated Direct Debit Amendment and Cancellation Service) reports detail any Direct Debit Instructions (DDIs) that have been amended and/or cancelled. These reports are made available upon receipt and it is strongly recommended that the changes are applied immediately to avoid the risk of misdirected or failed collections.
ADDACS Reason Codes and their meanings:
| Code | Reason | Circumstances | Special instruction |
| 0 | Instruction cancelled – Refer to payer | Paying PSP has cancelled Instruction | Service user cannot collect via Direct Debit on this account. If Direct Debit is to continue the service user must obtain a new DDI for a new account |
| 1 | Instruction cancelled by payer | Payer has instructed paying PSP to cancel DDI | Service user must liaise with the payer to agree the payment method for collection of any outstanding debts |
| 2 | Payer deceased | ||
| 3 | Account transferred to a new bank or building society | Account transferred to a new bank or building society | If both old and new bank details are quoted you will need to amend your records accordingly. AUDDIS service users only – A 0N must be sent to lodge the new instruction. NB – With effect from 1 January 2013 do not send a 0C to the old bank to cancel the DDI. If only the old bank details are quoted first check you have been notified of new account details. If new account details have not been advised you must obtain a new DDI from the payer. Collection must be suspended until a new DDI set up and advance notice issued to the payer. |
| B | Account closed | Payer has closed their account for an unknown reason | If the Direct Debit is to continue the service user must obtain a new DDI for a different/new account |
| C | Account transferred to a different branch of bank/building society | New account details supplied to the service user | Service user must apply change to data file and continue with Direct Debit collections. AUDDIS service users only – A 0C/0N pair must not be sent on receipt of this message |
| D | Advance notice disputed | Payer disputes time, amount or frequency of advance notice | Service user should not collect further Direct Debits until it has resolved the dispute with the payer |
| E | Instruction amended | Paying PSP will advise amendment via ADDACS message | Service user should collect Direct Debits using new details. AUDDIS service users only –A 0C/0N pair must not be sent on receipt of this message |
| R | Instruction re-instated | Paying PSP may re-instate a cancelled DDI up to two months from cancellation | Service user may resume direct debiting under the reinstated Instruction. However, a new DDI must be obtained and lodged if reinstatement is identified after the two month period |