; or (2) reclaiming. 10. Technology transitions (a) Authority Subject to the provisions of this section, the Administrator may by rule restrict, fully, partially, or on a graduated schedule, the use of a regulated substance in the sector or subsector in which the regulated substance is used. (b) Negotiated rulemaking (1) Consideration required Before proposing a rule for the use of a regulated substance for a sector or subsector under subsection (a), the Administrator shall consider negotiating with stakeholders in the sector or subsector subject to the potential rule in accordance with the negotiated rulemaking procedure provided for under subchapter III of chapter 5 of title 5, United States Code (commonly known as the Negotiated Rulemaking Act of 1990 ). (2) Negotiated rulemakings If the Administrator negotiates a rulemaking with stakeholders using the procedure described in paragraph (1), the Administrator shall, to the extent practicable, give priority to completing that rulemaking over completing rulemakings that were not negotiated using that procedure. (3) No negotiated rulemaking If the Administrator does not negotiate a rulemaking with stakeholders using the procedure described in paragraph (1), the Administrator shall, before commencement of the rulemaking process for a rule under subsection (a), publish an explanation of the decision of the Administrator to not use that procedure. (c) Transition (1) Proposals Not later than 18 months after the date of enactment of this Act, the Administrator shall publish in the Federal Register a proposal of 1 or more dates after which the use of a regulated substance in a sector or subsector shall be restricted. (2) Final rules Not later than 18 months after the date on which the Administrator publishes a proposed rule under paragraph (1) in the Federal Register, the Administrator shall issue a final rule for that proposed rule. (d) Petitions (1) In general A person may petition the Administrator to issue a rule under subsection (a) for the restriction on use of a