; and (II) a detailed statement with respect to each involved Federal agency and each factor described in subparagraphs (A) through (D) of paragraph (1) with respect to which Federal agency should serve as the Federal lead agency. (B) Submission The Council shall submit a request received under subparagraph (A) to each involved Federal agency. (C) Response An involved Federal agency may, not later than 20 days after the date of the submission of a request under subparagraph (A), submit to the Council a response to the request. (D) Designation Not later than 40 days after the date on which an agency or a project sponsor submits a request under subparagraph (A)(i), the Council shall designate the Federal lead agency with respect to the applicable proposed agency action. (b) Single environmental document and joint record of decision (1) In general Except as provided in paragraph (4), all authorizations relating to a proposed agency action shall rely on a single environmental document and joint record of decision for each kind of environmental document and joint record of decision prepared under this title under the leadership of a lead agency. (2) Use of environmental document and record of decision (A) In general The lead agency shall develop environmental documents and records of decision sufficient to satisfy the requirements for any authorization or other action required for or related to a proposed agency action, including authorizations by other Federal agencies. (B) Cooperation of involved Federal agencies Involved Federal agencies shall— (i) cooperate with the lead agency