for Navajo Nation. Sec. 11106. Extension of tribal lease period for the Crow Tribe of Montana. Sec. 11107. Trust status of lease payments. A Energy 1001. Definitions In this division: (1) Department The term Department means the Department of Energy. (2) Secretary The term Secretary means the Secretary of Energy. I Efficiency A Buildings 1101. Greater energy efficiency in building codes (a) Definitions Section 303 of the Energy Conservation and Production Act ( 42 U.S.C. 6832 ) is amended— (1) in paragraph (14), by inserting , or its legal successor, International Code Council, Inc. after the Council of American Building Officials