# Message Guidelines (Excel) The current Nexus Message Guidelines can be found in the attached Excel document for: * pacs.008 - FI to FI Customer Credit Transfer * pacs.002 - FI to FI Payment Status Report * acmt.023 - Identification Verification Request * acmt.024 - Identification Verification Report * camt.054 - Bank to Customer Debit Credit Notification * camt.056 - FI to FI Payment Cancellation Request * camt.029 - Resolution of Investigation * pacs.028 - FI to FI Payment Status Request * pacs.004 - Payment Return (for future use) * admi.002 - Message Reject * admi.004 - System Event Notification **Change Log:** {% file src="/files/D2LDhLzJ38bf4i2rCQWC" %} ***Updates 12-02-2026***\ Changed Control Sum, Total Interbank Settlement Amount, Service Level and Tax from N to O. ***Updates 11-04-2026***\ Brought specifications in line with latest CPMI report (): * Financial Institution Name set to N * Town and Country set to M for Debtor and Creditor * Limited address lines to 2 * Contact details not to be used * Original Group Information in pacs.002 from IPSO to Nexus is set to O. Will be provided through enrichment by Nexus to IPSO. * Limited the repetitions of fields with unlimited repetitions * Tax is set back to N * Category Purpose set to O, Purpose set to RC * Limited unstructured remittance to 1 occurance * Limited structured remittance to 9,000 characters Added pacs.028 message\ Added admi.004\ Added recommendation to use XBIN (when approved by ISO) as Service Level Code\ Clarified Acceptance Date Time\ Corrected several typos\ Added pacs.004 message for future use (not to be used)\ Added camt.056 for cancellations by Nexus\ Added optional camt.029 for confirmation of cancellation\ Removed PII from camt.054 ***Updates 11-05-2026***\ Added admi.002 to be used upon correlation failures receiving IPSO responses or technical issues --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.nexusglobalpayments.org/messaging-and-translation/message-guidelines-excel.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.