Federal Reserve Bank of Dallas. "Modification to ACH Service, Circular No. 83-107," District Notices (Federal Reserve Bank of Dallas) (September 12, 1983). https://fraser.stlouisfed.org/title/5569/item/541710, accessed on March 31, 2020.
The Board of Governors of the Federal Reserve System Has Announced a Modification of the Automated Clearinghouse (ACH) Service to Permit All Types of ACH Items to Be Deposited at the Nighttime Deposit Deadline