With this final rule, the Department of the Interior and the Department of Commerce amend regulations governing interagency cooperation under the Endangered Species Act of 1973, as amended (ESA). In accordance with the statutory authority set forth in the 2009 Omnibus Appropriations Act (Pub. L. 111-8), this rule implements the regulations that were in effect immediately before the effective date of the regulation issued on December 16, 2008, entitled "Interagency Cooperation Under the Endangered Species Act."