From A-Z this page is a resource pool for you of frequently used electronic payments links and documents.

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Account Validation

ACH Security Framework

Bureau of the Fiscal Services (Formerly FMS) of the U.S. Dept. of Treasury

Calculating Return Rate Infographic

Direct Access Registration

ECCHO Rule 9 Forged Counterfeit Check Warranties

REG E Electronic Fund Transfer Act

Federal Financial Institutions Examination Council (FFIEC)
Federal Government Payments
Office of Foreign Assets Control (OFAC)
Office of the Comptroller of the Currency (OCC)

Regulation CC - Availability of Funds and Collection of Checks
Regulation D - Reserve Requirements of Depository Institutions
Regulation DD - Truth in Savings
Regulation E - Electronic Funds Transfers
Regulation GG - Prohibition on Funding of Unlawful Internet Gambling
Remote Deposit Capture (RDC)
Risk Assessment
Written Statement of Unauthorized Debit (WSUD)



Accredited ACH Professional (AAP)
Accredited Payments Risk Professional (APRP)
ACH Rules
ACH Statistics
America Saves
Direct Deposit
Direct Access Registration
Electronic Check Clearing House Organization (ECCHO)
FedACH Services
Federal Reserve Bank of Minneapolis
Federal Trade Commission (FTC)
Health Care Payments Resources (NACHA)
Improving ACH Network Quality

International ACH Transactions (IAT)
Letter Of Indemnity
MDC Code (NACHA Merchant Discount Code)
MN AFP - Minnesota Association for Financial Professionals
National Automated Clearing House Association (NACHA)
National Credit Union Administration (NCUA) 
National System of Fines Supporting Documentation Quick Reference
NCUA Payments Clearing & Settlement Service Guidance
Request for Comment (ACH Quality and Risk Management and ACH Rules Compliance Audit Requirements)
Request for Comment (ACH Message Entries)
Request for Comment (Same Day ACH Expansion)
Requests for Comment (ACH Rule Making Process)
Requests for Information (ACH Rule Making Process)
Rules Updates
Same Day ACH Matrix: Preparing for Phase 3
Federal Reserve Bank Same Day ACH Resource Center
Small Business Payments Toolkit
Stop Payments
Tax Refunds (See Income Tax Refund Returns)
Terminated Originator Database
Third-Party Sender Identification Tool