Yes, Self-Governance Tribes assuming Federal environmental responsibilities for construction projects under section 509 of the Act [25 U.S.C. 458aaa-8] are entitled to receive equal consideration, on the same basis as any Federal agency, for lead, cooperating, and joint lead agency status. For informational purposes, the terms ``lead,'' ``cooperating,'' and ``joint lead agency'' are defined in the CEQ regulations at 40 CFR 1508.16, 1508.5, and 1501.5 respectively.