Section 1323, acts Aug. 24, 1912, ch. 390, § 6, 37 Stat. 563 ; Aug. 12, 1949, ch. 422, § 2, 63 Stat. 601 , related to establishment and operation of various facilities. Section 1323–1, acts Aug. 24, 1912, ch. 390, § 6, 37 Stat. 563 ; Aug. 12, 1949, ch. 422, § 2, 63 Stat. 601 , related to organization and conduct of facilities as business operations. Section 1323–2, act June 19, 1934, ch. 667, § 53, as added Aug. 12, 1949, ch. 422, § 2, 63 Stat. 601 , related to receipts, sales, and services. Section 1323–3, act June 19, 1934, ch. 667, § 54, as added Aug. 12, 1949, ch. 422, § 2, 63 Stat. 601 , related to exemption of operations of postal service.