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2. The Members shall take action in accordance with the principles and objectives of paragraph 1 at the earliest practicable date. Moreover, they shall, upon request by another Member directly affected, review the operation of any of their laws and regulations in the light of these principles. The Organization may request from Members reports on steps taken by them in pursuance of the provisions of this paragraph. 3. The provisions of paragraphs 1 and 2 shall extend to fees, charges, formalities and requirements imposed by governmental authorities in connection with importation and exportation, including those relating to : (a) Consular transactions, such as those relating to consular invoices and certificates; (b) Quantitative restrictions ; (c) Licensing ; ( d) Exchange control; (e) Statistical services ; (/) Documents, documentation and certification ; (g) Analysis and inspection; and (h) Quarantine, sanitation and fumigation. 4. The Organization may study and recommend to Members specific measures for the simplification and standardization of customs formalities and techniques and for the elimination of unnecessary customs requirements, including those relating to advertising matter and samples for use only in taking orders for merchandise. 5. No Member shall impose substantial penalties for minor breaches of customs regulations or procedural requirements. In particular, no penalty in respect of any omission or mistake in customs documentation which is easily rectifiable and obviously made without fraudulent intent or gross negligence shall be greater than necessary to serve merely as a warning. 6. The Members recognize that tariff descriptions based on distinctive regional or geographical names should not be used in such a manner as to discriminate against products of Member countries. Accordingly, the Members shall co-operate with each other directly and through the Organization with a view to eliminating at the earliest practicable date practices which are inconsistent with this principle. Article 37 Marks of Origin 1. The Members recognize that, in adopting and implementing laws and regulations relating to marks of origin, the difficulties and inconveniences which such measures may cause to the commerce and industry of exporting countries should be reduced to a minimum.