; or (2) reclaiming. (e) Inapplicability Subsections (a) through (d) do not apply with respect to a regulated substance or a substitute for a regulated substance that is contained in a foam. 7. Technology transitions (a) Authority The Administrator may, by regulation and in accordance with this section, prohibit or restrict, including through a graduated schedule, the use of a regulated substance in a sector or subsector in which such regulated substance is used. (b) Negotiated rulemaking The Administrator shall consider negotiating and developing a proposed regulation under this section in accordance with the negotiated rulemaking procedure under subchapter III of chapter 5 of title 5, United States Code (commonly referred to as the Negotiated Rulemaking Act of 1990 ). If the Administrator decides to proceed with a negotiated rulemaking, the Administrator shall, to the extent the Administrator deems practicable, give priority to completing that rulemaking over completing concurrent non-negotiated rule­mak­ings pursuant to this section. If the Administrator decides not to proceed with a negotiated rulemaking, the Administrator shall include an explanation of such decision in any proposed regulation published pursuant to this section. (c) Petition (1) Any person may petition the Administrator to promulgate regulations under this section to prohibit or restrict the use of a regulated substance in a sector or subsector. (2) The Administrator shall grant or deny a petition received pursuant to paragraph (1) not later than 180 days after receipt of such petition. (3) If the Administrator denies a petition received pursuant to paragraph (1), the Administrator shall publish in the Federal Register an explanation of the Administrator’s decision. (4) If the Administrator grants a petition received pursuant to paragraph (1), the Administrator shall promulgate regulations prohibiting or restricting the use of the regulated substance in the sector or subsector under subsection (a) not later than 24 months after granting such