Frequently Asked Questions About ACH Processing


Unique subscription codes are distributed via email to the designated Commercial Online Banking administrator for your company. The email will also contain a description of the many benefits of your subscription.

For instructions to redeem your unique subscription code, please review the NACHA Operating Rules Online Instructions document [PDF].
You’ll want to review the file to confirm that there are no duplicate payments. If you remove any duplicates, and still receive the error, please call your local Northwest Bank office or report the issue using the link to the right.
Corrections and file reversal processing are available under specific circumstances and within five business days of the original settlement date. Please call your local Northwest Bank office for assistance.