Section 23.102 - Authorities(a) Executive Order 13423 of January 24, 2007, Strengthening Federal Environmental, Energy, and Transportation Management.(b) Executive Order 13514 of October 5, 2009, Federal Leadership in Environmental, Energy, and Economic Performance.(c) All of the authorities specified in subparts 23.2, 23.4, 23.7, 23.8, 23.9, and 23.10.