[For Tariff Valuation of Articles on which ad valorem duties are levied, see App., pp. 410-422.] (a) With 10% additional on the duty leviable. (b) A drawback equal to the duty paid is allowed on shipbuilding materials or accessories used in the repair or construction of foreign-going vessels; a certificate under the hand of the builder or repairer is required to the effect that such materials have been used for the [For Tariff Valuation of Articles on which ad valorem duties are levied, see App., pp. 410-422.] See note (y) 10% ad valorem.(b) |