A: All financial institutions participating in the ACH Network will be required to register contact information with Nacha for personnel or departments responsible for 1) ACH operations and 2) ACH fraud/risk management. There are additional, optional contacts that you should consider providing, such as wire, check, credit card, compliance, legal, etc. (*Note: Financial institutions that already participate in the current voluntary contact database will need to log in to the Portal on or after July 1, 2020 and update their contacts to conform with the ACH Contact Registry Rule.)