; and (2) cost estimates for Federal and local governments for necessary changes to implement the recommendations under paragraph (1). (c) Report Not later than 2 years after the date of the enactment of this Act, and every 12 months thereafter until the plan is fully implemented, the head of the Interagency Council on Statistical Policy shall submit to the Committee on Natural Resources of the House of Representatives and the Committee on Energy and Natural Resources of the Senate a report that includes— (1) a description of the plan developed under subsection (a); and (2) information on the implementation of such plan. (d) Implementation Not later than 4 years after the date of the enactment of this Act, the head of the Interagency Council on Statistical Policy, in coordination with the heads of appropriate Federal agencies, shall fully implement the plan developed under subsection (a). 3. U.S. Territories defined For the purposes of this Act, the term U.S. Territories means American Samoa, the Commonwealth of the Northern Mariana Islands, Guam, Puerto Rico, and the Virgin Islands of the United States.