Section 241, act Aug. 29, 1935, ch. 813, § 1, 49 Stat. 974 , defined terms for purposes of this subchapter. Section 242, act Aug. 29, 1935, ch. 813, § 2, 49 Stat. 975 , related to income tax on employees. Section 243, act Aug. 29, 1935, ch. 813, § 3, 49 Stat. 975 , related to deduction of tax from wages. Section 244, act Aug. 29, 1935, ch. 813, § 4, 49 Stat. 975 , related to excise tax on carriers. Section 245, act Aug. 29, 1935, ch. 813, § 5, 49 Stat. 975 , related to adjustment of tax. Section 246, act Aug. 29, 1935, ch. 813, § 6, 49 Stat. 975 , related to refunds and deficiencies. Section 247, act Aug. 29, 1935, ch. 813, § 7, 49 Stat. 975 , related to income tax on employees’ representatives. Section 248, act Aug. 29, 1935, ch. 813, § 8, 49 Stat. 976 , related to collection and payment of taxes. Section 249, act Aug. 29, 1935, ch. 813, § 9, 49 Stat. 976 , related to court jurisdiction. Section 250, act Aug. 29, 1935, ch. 813, § 10, 49 Stat. 976 , related to penalties under this subchapter. Section 251, act Aug. 29, 1935, ch. 813, § 11, 49 Stat. 976 , related to meaning of “employment”. Section 252, acts Aug. 29, 1935, ch. 813, § 12, 49 Stat. 976 ; Feb. 27, 1937, ch. 19, 50 Stat. 23 , related to termination of taxes. Section 253, act Aug. 29, 1935, ch. 813, § 13, 49 Stat. 977 , related to separability of provisions.