; (II) the project sponsor; and (III) the Governor of a State in which the project is located, if the Governor requested the issue resolution meeting under subparagraph (A). (D) Convention by lead agency A lead agency may convene an issue resolution meeting at any time to resolve issues relating to an authorization or environmental review process for a project, without the request of a participating agency, project sponsor, or the Governor of a State in which the project is located. (E) Referral of issue resolution for major projects to Council on Environmental Quality (i) In general If issue resolution for a major project is not achieved by 30 days after the date on which a leadership issue resolution meeting is convened under subparagraph (C), the head of the lead agency shall refer the matter to the Council on Environmental Quality. (ii) Meeting Not later than 30 days after the date of receipt of a referral from the head of the lead agency under clause (i), the Council on Environmental Quality shall convene an issue resolution meeting with— (I) the head of the lead agency; (II) the heads of relevant participating agencies; (III) the project sponsor; and (IV) the Governor of a State in which the major project is located, if the Governor requested the issue resolution meeting under subparagraph (A). (F) Consistency with other law An agency shall implement the requirements of this paragraph— (i) unless doing so would prevent the compliance of the agency with existing law