
2020 Nacha Operating Rules & Guidelines
Published in 2019
Published by Nacha

AAP Core Concepts: A Study Guide
Published in 2020
Published by ePayResources

APRP Flashcards
Published in 2019
Published by EPCOR
Returns Quick Reference Card
Published in 2020
Published by UMACHA

The Story of Payments
Published in 2020
Published by Nacha