FIFTY-FIFTH CONGRESS. Sess. I. Ch. 11. 1897. 21 ]_ them readily available in the arts, imported into the United States to be smelted or refined and intended to be exported in a refined but unmanufactured state, shall, under such rules as the Secretary of the Treasury may prescribe, and under the direction of the proper officer, be removed in original packages or in bulk from the vessel or other vehicle on which they have been imported, or from the bonded warehouse in which the same may be, into the bonded warehouse in which such smelting or refining, or both, may be carried on, for the purpose of being smelted or refined, or both, without payment of duties thereon, and may there be smelted or refined, together with other metals of home or foreign production: Provided, That each day a quantity of refined ‘QL*¤tg*{°¤$g¤¤¢Q metal equal to ninety per centum of the amount of imported metal fities at exporttése smelted or refined that day shall be set aside, and such metal so set aside shall not be taken from said works except for transportation to another bonded warehouse or for exportation, under the direction of the proper officer having charge thereof as aforesaid, whose certificate, describing the articles by their marks or otherwise, the quantity, the date of importation, and the name of vessel or other vehicle by which it was imported, with such additional particulars as may from time to time be required, shall be received by the collector of customs as sufficient evidence of the exportation of the metal, or it may be removed under such regulations as the Secretary of the Treasury may prescribe, upon entry and payment of duties, for domestic consumption, and the exportation of the ninety per centum of metals hereinbefore provided for shaH entitle the ores and metals imported under the provisions of this section to admission without payment of the duties thereon: Provided further, That in respect to lead ores imported LM <>~¤- under the provisions of this section the refined metal set aside shall either be reexported or the regular duties paid thereon within six mon ths from the date of the receipt of the ore. All labor performed and services rendered under these regulations shall be nmder the supervision S¤¤¤¤i¤i·>¤- of an officer of the customs, to be appointed by the Secretary of the Treasury, and at the expense of the manufacturer. Sec. 30. That where imported materials on which duties have been $§{_‘§§‘_°,$?‘§;,_ paid are used in the manufacture of articles manufactured or produced in the United States, there shall be allowed on the exportation of such articles a drawback equal in amount to the duties paid on the materials _ used, less one per centum of such duties: Provided, That when the f,°Q$fQff?§· ,,,,,,1,, of articles exported are made in part from domestic materials the imported d·>¤¤·¤¤¢i·= ¤·¤¤ri¤l- materials, or the parts of the articles made from such materials, shall so appear in the completed articles that the quantity or measure thereof may be ascertained: And provided further, That the drawback on any E¤*•'*¤8 l"- article allowed under existing law shall be continued at the rate herein provided. That the imported materials used in the manufacture or edY·¤;g¢i£vi¤g i¤¤r·>¤- production of articles entitled to drawback of customs duties when ° ° °°' exported shall, in all cases where drawback of duties paid on such materials is claimed, be identified, the quantity of such materials used and the amount of duties paid thereon shall be ascertained, the facts of the manufacture or production of such articles in the United States and their exportation therefrom shall be determined, and the drawback due thereon shall be paid to the manufacturer, producer, or exporter, to the agent of either or,to the person to whom such manufacturer, producer, exporter, or agent shall in writing order such drawback paid, under such regulations as the Secretary of the Treasury shall prescribe. Sec. 31. That all goods, wares, articles, and merchandise manufae c°§‘,fi‘,'g{,‘*}‘:f,§}},€°§,,,l,'§jt tured wholly or in part in any foreign country by convict labor shall den enyy. _° not be entitled to entry at any of the ports of the United States, and V°L “8"‘5°“’ the importation thereof is hereby prohibited, and the Secretary of the Treasury is authorized and directed to prescribe such regulations as may be necessary for the enforcement of this provision. cenmm or me- Sec. 32. That sections seven and eleven of the Act entitled "A¤ ACC *°g‘:8_"E,"f:(}'§, ‘.,,,_,,_ to Simplify the laws in relation to the collection of the reveml0S,” pp.134,186,•ms¤d•¢l.