(a) The Commission will serve as lead, or, as appropriate, joint-lead agency for any NEPA procedure that is sponsored by or otherwise significantly involves the Commission.

(b) The Commission will inform the Office of the Solicitor of any agreements to assume lead or joint-lead agency status.

(c) A non-Federal agency may be designated as a joint lead agency if it has a duty to comply with a local or State environmental review requirement. Any non-Federal agency may be a cooperating agency by agreement. The Commission will consult with the Office of the Solicitor in cases where such non-Federal agencies are also applicants before the Commission to determine joint-lead agency responsibilities.