Federal Reserve Bank of Dallas. "Amendments to Regulation T, Circular No. 80-82," District Notices (Federal Reserve Bank of Dallas) (April 24, 1980). https://fraser.stlouisfed.org/scribd/?item_id=541009&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19800424_no80-082.pdf&start_page=1, accessed on October 17, 2017.
Effective 6-2-80. Docket No. R-0245, Credit by Brokers and Dealers. Final Rule Time Extended on Margin Accounts.