R26 ACH return code: Mandatory Field Error
What R26 means
A field that must be filled in is missing or contains invalid data.
R26 key facts
| Official title | Mandatory Field Error |
|---|---|
| Returned by | ACH Operator |
| Time frame | Next file delivery This is not a bank return deadline. The ACH Operator rejects the entry while processing the file and sends it back with its next file delivery. |
| Applies to | Consumer and business accounts |
| Can you send it again? | Yes. The entry was rejected before it reached the receiving bank, so correct the error and send a new entry. |
| Type of return | Standard return |
Why R26 happens
- A required field in the file is blank.
- A field holds data in the wrong format.
What to do next
If you sent the payment
- Find the field your bank or the operator reports and correct it.
- Send the entry again, and check the file before sending it next time.
Got a return file from your bank? Open it in the ACH file viewer to see the code next to each payment.
Sources
- 2024 ACH Quick Reference Guide, EPCOR
- ACH Return, NOC and Transaction Codes, Commerce Bank
- ACH Return Reason Codes and Time Frames, CBS Bank
General information, not legal or financial advice. Rules change and banks set their own requirements. Check with your bank before you act. ACH Forms is not affiliated with Nacha.