Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Interpretation of Law or Regulation: Controlling Principle re Renewals or Revisions, on or After November 1, of Credits Originally Extended before September 1, Number S-309, Volume 55, Page 289, 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/509604, accessed on August 6, 2026.