Subchapter I. Definitions, Organization, and General Provisions Affecting System 12 U.S. Code §221. Definitions 12 U.S. Code §221a. Additional definitions 12 U.S. Code §222. Federal reserve districts; membership of national banks 12 U.S. Code §223. Number of Federal reserve cities in district 12 U.S. Code §224. Status of reserve cities under former statutes 12 U.S. Code §225. Federal reserve banks; title 12 U.S. Code §225a. Maintenance of long run growth of monetary and credit aggregates 12 U.S. Code §225b. Appearances before and reports to the Congress 12 U.S. Code §226. "Federal Reserve Act" 12 U.S. Code §227. "Banking Act of 1933" 12 U.S. Code §228. "Banking Act of 1935"