Treatment of international partnerships. Sec. 4695. Covered products. Sec. 4696. National Laboratory Advisory Board on Global Pollution Challenges. Sec. 4697. Definitions. Sec. 4698. Establishment process and reassessments. 4691. Imposition of foreign pollution fee (a) In general (1) Imposition of fee In the case of any covered product which is imported by a covered entity into the United States after the applicable date, there is hereby imposed a fee upon entry or importation of such covered product in an amount equal to the product of— (A) the amount of such covered product which is imported into the United States, and (B) the variable charge (as determined under section 4692). (2) Applicable date (A) In general For purposes of paragraph (1), the applicable date shall be the date which is 36 months after the date of enactment of this subchapter. (B) Postponement With respect to any covered product produced in a low-income country or lower-middle-income country, the Secretary may extend the applicable date under such clause for a period of not greater than 12 months if the United States Trade Representative issues a certification to the appropriate congressional committees that such country is making progress towards an international partnership agreement. (b) Fee due (1) In general The fee imposed under this section with respect to any covered product shall be paid by the covered entity which imported such product at the same time, and through the same electronic portal, that any payment of custom duties are made. (2) Security for fees The Secretary may issue such regulations or other guidance to require, or may direct officers of U.S. Customs and Border Protection to require, a covered entity to file with the Secretary a bond or other security in such amount and with such conditions as the Secretary determines necessary to ensure payment of the fees imposed under this section. (c) Measurement of imported products The amount of any covered product which is imported into the United States shall be determined by