; and (B) the associated finding of no significant impact or notice of availability of the associated finding of no significant impact or notice of intent, as applicable. (2) Failure to act (A) In general If a Federal agency fails to publish a notice of availability of the environmental assessment and associated finding of no significant impact or notice of intent, as applicable, in accordance with the timeline described in paragraph (1), and the timeline has not been extended in accordance with paragraph (3), the proposed agency action shall be deemed to have no significant impacts and the requirements of this title shall be deemed to have been fulfilled for that proposed agency action. (B) No judicial review A proposed agency action deemed to have no significant impacts and to fulfill the requirements of this title under subparagraph (A) shall not be subject to judicial review under this title or subchapter II of chapter 5, and chapter 7, of title 5, United States Code (commonly known as the Administrative Procedure Act ). (3) Extension The timeline established under paragraph (1) may only be extended if— (A) the extension is requested, in writing, by the project sponsor