act Jan. 9, 1883, ch. 1722 Stat. 402Section 193, , , related to grain brought from Canada for grinding.
act May 18, 1896, ch. 19529 Stat. 122Section 194, , , provided for the return free of articles and livestock exported for exhibition.
act Mar. 3, 1899, ch. 45430 Stat. 1372Section 195, , , provided for free entry of animals taken abroad with circus or menagerie.