Accredited ACH Professional (AAP) Practice Exam 2025 – Complete Preparation Resource

The correct timeframe for an RDFI to send an ODFI a copy of a Written Statement of Unauthorized Debit upon written request is 10 banking days. This requirement is established to ensure that the ODFI has timely information regarding unauthorized debits, allowing for prompt investigation and resolution of the matter. The adherence to this timeline is crucial in maintaining the integrity of the ACH system and protecting consumers' rights.

While other options suggest longer periods, they do not align with the established regulations for this specific situation. Timeliness is critical in these transactions, enabling financial institutions to act quickly in responding to disputes and unauthorized transactions. By adhering to the 10 banking days rule, RDFIs help streamline the dispute resolution process while ensuring that all parties are informed in a timely manner.