; (II) a request from the project sponsor that the permit or approval follow a different timeline; or (III) a determination by the lead agency, with the concurrence of the project sponsor, that an extension would facilitate completion of the environmental review process and authorization process of the project. (iii) Exceptions (I) Shortening of time period A lead agency may not shorten a schedule under clause (i)(II) if shortening the schedule would impair the ability of a participating agency— (aa) to conduct any necessary analysis; or (bb) to otherwise carry out any relevant obligation of the participating agency for the project. (II) Major projects In the case of a major project, the lead agency may lengthen a schedule for a project under subparagraph (D) for a Federal participating agency by not more than 1 year after the latest deadline established for the major project by the lead agency. (III) Coordination plans prior to notice of intent In the case of a schedule established for a project under subparagraph (D) prior to the publication of a notice of intent, the lead agency may adjust the schedule, with the concurrence of participating agencies and the participation of the project sponsor, until the date of publication of the notice of intent. (G) Failure to meet schedule or deadline If a participating Federal agency fails to meet a schedule or deadline established under subparagraph (D), not later than 30 days after the missed schedule or deadline, the participating Federal agency shall— (i) notify— (I) the Director of the Office of Management and Budget; (II) the Executive Director of the Federal Permitting Improvement Steering Council; (III) the Secretary concerned; (IV) the Committee on Energy and Natural Resources of the Senate; (V) the Committee on Environment and Public Works of the Senate; (VI) the Committee on Natural Resources of the House of Representatives; and (VII) the Committee on Energy and Commerce of the House of Representatives