t;l SriAr. ( ;ENRAIL A(;ItEEMIENT ON TARIF'FS ANI) TRAIE--)("T. 30 , 1947 on or in connection with importation in excess of those imposed on the date of this Agreement or those directly and mandatorily required to be imposed thereafter by legislation in force in the importing territory on that date. Nothing in this Article shall prevent any contracting party from maintaining its requirements existing on the date of this Agreement as to the eligibility of goods for entry at preferential rates of duty. 2. Nothing in this Article shall prevent any contracting party from imposing at any time on the importation of any product (a) a charge equivalent to an internal tax imposed consistently with the provisions of paragraph 1 of Article III in respect of the like domestic product or in respect of an article from which the imported product has been manufactured or produced in whole or in part; (b) any anti-dumping or countervailing duty applied consistently with the provisions of Article VI; ['] (c) fees or other charges commensurate with the cost of services rendered. 3. No contracting party shall alter its method of deter- mining dutiable value or of converting currencies so as to impair the value of any of the concessions provided for in the appropriate Schedule annexed to this Agreement. 4. If any contracting party establishes, maintains or authorizes, formally or in effect, a monopoly of the importation of any product described in the appropriate Sohedule annexed to this Agreement, such monopoly shall not. except as provided for in that Schedule or as otherwise ' [Post, p. A86 .]
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