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/scribd/?item_id=541710&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19830912_no83-107.pdf&start_page=1, accessed on September 20, 2017.
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