Federal Reserve Bank of Dallas. "Fed Standard Time, Circular No. 81-150," District Notices (Federal Reserve Bank of Dallas) (July 22, 1981). https://fraser.stlouisfed.org/title/5569/item/541332, accessed on August 17, 2018.
Fiscal Agency Operating Circular No. 2 Related. Fed Standard Time (FST), Effective 8-3-81. New Procedure to Prohibit Wire Transfer of Securities Message (CPD's) From Being Sent After Deadline.