...1901 §§ 646, 647, 650, 652, D.C. Code 1929, tit. 5, §§ 172, 173, 176, 178; D.C.Revenue Act of 1937, tit. 2, approved August 17, 1937, D.C. Code Supp. III, 1937, tit. 20, § 966; the Marine Insurance Act of...insurance organizations, imposes a percentage tax on net premium receipts, dues, et cetera. The Marine Insurance Act authorizes formation of and regulates companies to write accident and health...contains, except the Marine Insurance Act, which exempts companies operating under section 653, and, therefore, presumably, the companies exempted by its terms, and the Revenue Act of 1937 (tit. 2, § 8...