The transaction status is filled with codes of the ISO 20022 data table:

'ACCC': 'AcceptedSettlementCompleted' - Settlement on the creditor's account has been completed.
'ACCP': 'AcceptedCustomerProfile' - Preceding check of technical validation was successful. Customer profile check was also successful.
'ACSC': 'AcceptedSettlementCompleted' - Settlement on the debtor's account has been completed. **Usage:** this can be used by the first agent to report to the debtor that the transaction has been completed. **Warning:** this status is provided for transaction status reasons, not for financial information. It can only be used after bilateral agreement.
'ACSP': 'AcceptedSettlementInProcess' - All preceding checks such as technical validation and customer profile were successful and therefore the payment initiation has been accepted for execution.
'ACTC': 'AcceptedTechnicalValidation' - Authentication and syntactical and semantical validation are successful.
'ACWC': 'AcceptedWithChange' - Instruction is accepted but a change will be made, such as date or remittance not sent.
'ACWP': 'AcceptedWithoutPosting' - Payment instruction included in the credit transfer is accepted without being posted to the creditor customer's account.
'RCVD': 'Received' - Payment initiation has been received by the receiving agent.
'PDNG': 'Pending' - Payment initiation or individual transaction included in the payment initiation is pending. Further checks and status update will be performed.
'RJCT': 'Rejected' - Payment initiation or individual transaction included in the payment initiation has been rejected.
'CANC': 'Cancelled' Payment initiation has been cancelled before execution Remark: This code is accepted as new code by ISO20022.
'ACFC': 'AcceptedFundsChecked' - Preceding check of technical validation and customer profile was successful and an automatic funds check was positive . Remark: This code is accepted as new code by ISO20022.
'PATC': 'PartiallyAcceptedTechnical' Correct The payment initiation needs multiple authentications, where some but not yet all have been performed. Syntactical and semantical validations are successful. Remark: This code is accepted as new code by ISO20022.
'PART': 'PartiallyAccepted' - A number of transactions have been accepted, whereas another number of transactions have not yet achieved 'accepted' status. Remark: This code may be used only in case of bulk payments. It is only used in a situation where all mandated authorizations have been applied, but some payments have been rejected.