stockpiling
(3) Sell-through provisions (A) In general Sell-through provisions established by the Administrator under this subsection, with respect to composite wood products and finished goods containing regulated composite wood products (including recreational vehicles, manufactured homes, and modular homes), shall— (i) be based on a designated date of manufacture (which shall be no earlier than the date 180 days following the promulgation of the regulations pursuant to this subsection) of the composite wood product or finished good, rather than date of sale of the composite wood product or finished good; and (ii) provide that any inventory of composite wood products or finished goods containing regulated composite wood products, manufactured before the designated date of manufacture of the composite wood products or finished goods, shall not be subject to the formaldehyde emission standard requirements under subsection (b)(1). (B) Implementing regulations The regulations promulgated under this subsection shall— (i) prohibit the stockpiling of inventory to be sold after the designated date of manufacture; and (ii) not require any labeling or testing of composite wood products or finished goods containing regulated composite wood products manufactured before the designated date of manufacture. (C) Definition For purposes of this paragraph, the term “stockpiling” means manufacturing or purchasing a composite wood product or finished good containing a regulated composite wood product between July 7, 2010 , and the date 180 days following the promulgation of the regulations pursuant to this subsection at a rate which is significantly greater (as determined by the Administrator) than the rate at which such product or good was manufactured or purchased during a base period (as determined by the Administrator) ending before July 7, 2010 .