pacs.004 — Payment Return
`pacs.004` is the **interbank payment return message**. It is sent by the **Creditor Bank back to the Debtor Bank** when a previously received `pacs.008`.
`pacs.004` is the **interbank payment return message**. It is sent by the **Creditor Bank back to the Debtor Bank** when a previously received `pacs.008`.
Detailed explanation of payment returns, pacs.004 ISO messaging, accounting, and difference from reversals.