applicable percentage of the relevant carbon intensity for such good. (B) Charge due The charge imposed under this paragraph with respect to any goods imported during any calendar year shall be paid by the entity which imported such goods not later than September 30 of the calendar year subsequent to such year. (C) Exclusion (i) In general Subject to clause (ii), in the case of any covered primary good (including any covered primary good which is a component part of a finished good) which is imported into the United States and was produced in a relatively least developed country (as described in section 124 of the Foreign Assistance Act of 1961 ( 22 U.S.C. 2151v )), this paragraph shall not apply. (ii) Exception Clause (i) shall not apply if the country described in such clause produces at least 3 percent of total global exports by value of the covered primary good. (D) Carbon clubs If the Secretary (in coordination with the relevant parties) determines that a foreign country has implemented policies which impose explicit costs on the emission of greenhouse gases which are materially similar to the charges imposed pursuant to the provisions of this subchapter, the charge (or a percentage of the charge which is equivalent to the costs imposed by the foreign country) which would otherwise be imposed under this section with respect to covered primary goods produced in such foreign country may be waived. (E) Relevant carbon intensity In this paragraph, the term relevant carbon intensity means, with respect to any covered primary good— (i) except as provided in clause (ii), the carbon intensity (as determined under section 4691(b)(1)(B)) for the covered national industry which includes such good, or (ii) in the case of any covered primary good which is included in a petition described in clause (i) of section 4691(b)(1)(C) which is approved by the Secretary pursuant to clause (ii) of such section, the carbon intensity of such good as determined under such section. (2) Domestic production of covered primary goods (A)