Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Interpretation of Law or Regulation: Applicability of Regulation U to Corporate Investment Trust for Retirement of Debentures, Number X-9733, Volume 45, Page 231, Mimeograph Letters and Statements of the Board. Board of Governors of the Federal Reserve System (U.S.), 1935-. https://fraser.stlouisfed.org/archival/4957/item/506515, accessed on September 5, 2026.