; and (5) to address gross violations of human rights in Xinjiang Uyghur Autonomous Region through bilateral diplomatic channels and multilateral institutions where both the United States and China are members and with all the authorities available to the United States Government, including visa and financial sanctions, export restrictions, and import controls. 4. Prohibition on importation of goods made in the Xinjiang Uyghur Autonomous Region (a) In general Except as provided in subsection (b), all goods, wares, articles, and merchandise mined, produced, or manufactured wholly or in part in the Xinjiang Uyghur Autonomous Region of China, or by persons working with the Xinjiang Uyghur Autonomous Region government for purposes of the poverty alleviation program or the pairing-assistance program which subsidizes the establishment of manufacturing facilities in the Xinjiang Uyghur Autonomous Region, shall be deemed to be goods, wares, articles, and merchandise described in section 307 of the Tariff Act of 1930 ( 19 U.S.C. 1307 ) and shall not be entitled to entry at any of the ports of the United States. (b) Exception The prohibition described in subsection (a) shall not apply if the Commissioner of U.S. Customs and Border Protection— (1) determines, by clear and convincing evidence, that any specific goods, wares, articles, or merchandise described in subsection (a) were not produced wholly or in part by convict labor, forced labor, or indentured labor under penal sanctions