Federal Reserve Bank of Dallas. "Amendment to Regulation E, Circular No. 81-12," District Notices (Federal Reserve Bank of Dallas) (January 15, 1981). https://fraser.stlouisfed.org/scribd/?item_id=541193&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19810115_no81-012.pdf, accessed on November 22, 2017.
Regulation E, Electronic Fund Transfers, Amendment Effective 1-15-81, Permits Debits to Customer Accounts for Repay of Preauthorized Overdraft Credit.