50 CFR 402.07 : Wildlife And Fisheries (§ 1.1 To Parts 698-699) — (Subchapter A To Parts 561-599) — Joint Regulations (United States Fish And Wildlife Service, Department Of The Interior And National Marine Fisheries Service, National Oceanic And Atmospheric Administration, Department Of Commerce); Endangered Species Committee Regulations (Part 400 To Parts 454-499) — (Part 400 To § 424.21) — Interagency Cooperation - Endangered Species Act Of 1973, As Amended (§ 402.01 To § 402.48) — General (§ 402.01 To § 402.09) — Designation of lead agency.

4 Aug 2016

When a particular action involves more than one Federal agency, the consultation and conference responsibilities may be fulfilled through a lead agency. Factors relevant in determining an appropriate lead agency include the time sequence in which the agencies would become involved, the magnitude of their respective involvement, and their relative expertise with respect to the environmental effects of the action. The Director shall be notified of the designation in writing by the lead agency.

50 CFR 402.07