(6-) Property imported under this Article and subsequently transferred to a person who is not entitled to duty-free importation shall be subject to the payment of import duties and other taxes according to the laws and regulations of the Republic of Panama. Such sales shall not be permitted when they are motivated by commercial purposes. (7) All property imported into the Republic of Panama free of customs duties and other taxes pursuant to paragraphs (2) and (3) of this Article may be exported free of customs duties, export permits, or other export taxes and assessments. All property acquired in the Republic of Panama by, or in the name of, the United States Forces, or acquired by members of the Forces or the civilian component, or dependents, for their private use may be exported free of customs duties, export licenses or other export taxes and charges. (8) The authorities of the United States agree to cooperate with the authorities of the Republic of Panama and shall take, within their legal authority, all such steps as may be necessary to prevent the abuse of the privileges granted under this Article to the members of the Forces or the civilian component, or dependents. (9) In order to prevent violations of the laws and regulations administered by the customs authorities of the Republic of Panama, the two Governments agree as follow: (a) The authorities of the Republic of Panama and the competent authorities of the United States shall mutually assist one another in the conduct of investigations and the collection of evidence. (b) The authorities of the United States shall take, within their legal authority, all necessary measures to ensure that articles subject to seizure by or in the name of the customs authorities of the Republic of Panama are delivered to these authorities. TIAS 10032