; (ii) the obligations of a cooperating agency or participating agency under the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq.) have already been satisfied with respect to the project; or (iii) the lead agency determines that reliance on a single environmental document (as described in subparagraph (A)) would not facilitate timely completion of the environmental review process for the project. ; and (B) by adding at the end the following: (10) Timely authorizations for major projects (A) Deadline Except as provided in subparagraph (C), all authorization decisions necessary for the construction of a major project shall be completed by not later than 90 days after the date of the issuance of a record of decision for the major project. (B) Detail The final environmental impact statement for a major project shall include an adequate level of detail to inform decisions necessary for the role of the participating agencies in the environmental review process. (C) Extension of deadline The head of the lead agency may extend the deadline under subparagraph (A) if— (i) Federal law prohibits the lead agency or another agency from issuing an approval or permit within the period described in that subparagraph; (ii) the project sponsor requests that the permit or approval follow a different timeline; or (iii) an extension would facilitate completion of the environmental review and authorization process of the major project. ; (6) in subsection (g)(1)— (A) in subparagraph (B)— (i) in clause (ii)(IV), by striking schedule for and cost of and inserting time required by an agency to conduct an environmental review and make decisions under applicable Federal law relating to a project (including the issuance or denial of a permit or license) and the cost of