New Margin Requirements (Regulations G, T and U), Arbitrage Amendments (Regulations T and U), Circular No. 70-111
Federal Reserve Bank of Dallas. "New Margin Requirements (Regulations G, T and U), Arbitrage Amendments (Regulations T and U), Circular No. 70-111," District Notices (Federal Reserve Bank of Dallas) (May 11, 1970). https://fraser.stlouisfed.org/title/5569/item/542918, accessed on April 18, 2024.