Federal Reserve Bank of Dallas. "Regulation T, Circular No. 81-122," District Notices (Federal Reserve Bank of Dallas) (June 18, 1981). https://fraser.stlouisfed.org/scribd/?item_id=541304&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19810618_no81-122.pdf&start_page=1, accessed on October 20, 2017.
Amendment, Effective 7-13-81. To Delete Provision Permitting Use of Foreign Currency in a Margin Account. Docket No. R-0250.