19 CFR § 19.20 - Withdrawal of products from bonded smelting or refining warehouses.
(a) For exportation. The general procedure governing warehouse withdrawals for exportation shall be followed in the case of the withdrawal for exportation of dutiable metal from a bonded smelting or refining warehouse.
(b) For transfer to another bonded warehouse.
(1) Withdrawal for transfer to another bonded warehouse shall be at the risk and expense of the applicant, and the general regulations governing the transfer of bonded merchandise from one warehouse to another or the transfer of imported materials from a bonded storage warehouse to a bonded manufacturing warehouse shall be followed so far as applicable.
(2) In the case of transportation to another port, the transportation entry shall show the quantity of metal withdrawn the wastage applicable thereto, and the imported material from which such metal was produced, together with any dutiable metal charged on entry.