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3. The laws and regulations of contracting parties relating to the marking of imported products shall be such as to permit compliance without seriously damaging the products, or materially reducing their value, or unreasonably increasing their cost. / 4. As a general rule no special duty or penalty should be imposed by any contracting party for failure to comply with marking requirements prior to importation unless corrective marking is unreasonably delayed or deceptive marks have been affixed or the required marking has been intentionally omitted, 5. The contracting parties shall co-operate with each other with a view to preventing the use of trade names in such manner as to misrepresent the true origin of a product, to the detriment of such distinctive regional or geographical names of products of the territory of a contracting party as are protected by its legislation. Each contracting party shall accord full and sympathetic consideration to such requests or representations as may be made by any other contracting party regarding the application of the undertaking set forth in the preceding sentence to names of products which have been communicated to it by the other contracting party. Article X Publication and Administration of Trade Regulations 1. Laws, regulations, judicial decisions, and administrative rulings of general application, made effective by any contracting party, pertaining to the classification or the valuation of products for Customs purposes, or to rates of duty, taxes or other charges, or to requirements, restrictions, or prohibitions on imports or exports or on the transfer of payments therefor, or affecting their sale, distribution, transportation, insurance, warehousing, inspection, exhibition, processing, mixing, or other use shall be published promptly in such a manner as to enable Governments and traders to become acquainted with them. Agreements affecting international trade policy which are in force between the Government or a governmental agency of any contracting party and the Government or governmental agency of any other contracting party shall also be published. The provisions of this paragraph shall not require any contracting party to disclose confidential information which would impede law enforcement or otherwise be contrary to the public interest or would prejudice the legitimate commercial interests of particular enterprises, public or private. 2. No measure of general application taken by any contracting party effecting an advance in a rate of duty or other charge on imports under an established and uniform practice, or imposing a new or more burdensome requirement, restriction, or prohibition on imports, or on the transfer of payments therefor, shall be enforced before such measure has been officially published. 3. (a) Each contracting party shall administer in a uniform, impartial, and reasonable manner all its laws, regulations, decisions, and rulings of the kind described in paragraph 1 of this Article.