Article 6. "The method of payment and technical details necessary for the enforcement of this Agreement shall be decided upon through the understanding of competent authorities of the two countries. Article 7. "The Governments of both countries shall continually observe the development of the trade between the two countries and adjust it so as to conform with the provisions of this Agreement. For this purpose the representatives appointed by each Government shall meet in Tokyo and Berlin every three months, or more frequently if necessary. Article 8. "The provisions of this Agreement shall be applicable only to those goods of one of the two countries shipped or transported directly to the other country, whether through a port of a third country or not. Article 9. "This Agreement shall not be applicable to transit goods. "In the accounts stipulated in this Agreement, goods, either imported into the leased territory of Rwantung from Germany or exported to Germany from the leased territory of Kwantung, shall be regarded as transit goods. Article 10. "Products of one of the two countries imported by the other country according to this Agreement, and re-exported by this import country to a third country without being manufactured to cause any rational changes economically, shall be outside the application of this Agreement.