19 U.S.C. § 1435b
Section, acts June 16, 1937, ch. 362, 50 Stat. 303; 1946 Reorg. Plan No. 3, §§ 101–104, eff. , 11 F.R. 7875, 60 Stat. 1097; , Pub. L. 91–271, title III, § 320, 84 Stat. 293, related to clearance of vessels arriving on Sundays, holidays, or at night.