2276 Publication of quan- titative regulations on imports or exports. Post, p. 2298. TREATIES [68 STAT. 4. If either High Contracting Party imposes any quantitative regulation, whether made effective through quotas, licenses or other measures, on the importation or exportation of any article, or on the sale, distribution or use of any imported article, it shall as a general rule give public notice of the total quantity or value of such article permitted to be imported, exported, sold, distri- buted or used during a specified period, and of any change in such quantity or value. Furthermore, if either High Contracting Party allots to any third country a share of such total quantity or value of any article in which the other High Contracting Party has an important interest, it shall as a general rule allot to such other High Contracting Party a share of such total quantity or value based upon the proportion of the total quantity or value supplied by, or in the case of exports a share based upon the proportion exported to, the territories of such other High Contracting Party during a previous representative period, account being taken in so far as practicable of any special factors which may have affected or may be affecting the trade in that article. The provisions of this paragraph relating to imported articles shall also apply in respect of the quantity-or value of any article permitted to be imported free of duty or tax, or at a lower rate of duty or tax than the rate of duty or tax imposed on imports in excess of such quantity or value. 5. If either High Contracting Party requires documentary proof of origin of imported articles, the requirements imposed therefor shall be reasonable and shall not be such as to constitute an unnecessary hindrance.to indirect trade. Article XV Publication of laws, regulations, etc. 1. Laws, regulations of administrative authorities and decisions of admi- nistrative or judicial authorities of each High Contracting Party that have general application and that pertain to the classification of articles for customs purposes or to rates of duty shall be published promptly in such a manner as to enable traders to become acquainted with them. Such laws, regulations and decisions shall be applied uniformly at all ports of each High Contracting Party, except as otherwise specifically provided for in statutes of the United States of America with respect to the importation of articles into its insular territories and possessions. 2. No administrative ruling by the United States of America effecting advances in rates of duties or charges applicable under an established and un;- form practice to imports originating in the territories of the Italian Republic, or imposing any new requirement with respect to such importations, shall as a general rule be applied to articles the growth, produce or manufacture of the Italian Republic already en route at the time of publication thereof in accor- dance with the preceding paragraph; reciprocally, no administrative ruling by the Italian Republic effecting advances in rates of duties or charges applicable under an established and uniform practice to imports originating in the terri- tories of the United States of America, or imposing any new requirement with
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