Section 221.1 - Authority, purpose, and scope(a)Authority. Regulation U (this part) is issued by the Board of Governors of the Federal Reserve System (the Board) pursuant to the Securities Exchange Act of 1934 (the Act) (15 U.S.C. 78a et seq.).(b)Purpose and scope.(1) This part imposes credit restrictions upon persons other than brokers or dealers (hereinafter lenders) that extend credit for the purpose of buying or carrying margin stock if the credit is secured directly or indirectly by margin stock. Lenders include "banks" (as defined in § 221.2 ) and other persons who are required to register with the Board under § 221.3(b) . Lenders may not extend more than the maximum loan value of the collateral securing such credit, as set by the Board in § 221.7 (the Supplement).(2) This part does not apply to clearing agencies regulated by the Securities and Exchange Commission or the Commodity Futures Trading Commission that accept deposits of margin stock in connection with:(i) The issuance of, or guarantee of, or the clearance of transactions in, any security (including options on any security, certificate of deposit, securities index or foreign currency); or(ii) The guarantee of contracts for the purchase or sale of a commodity for future delivery or options on such contracts.(3) This part does not apply to credit extended to an exempted borrower.(c)Availability of forms. The forms referenced in this part are available from the Federal Reserve Banks.