Energy. Part435:Energy efficiency standards for the design and construction of new federal low-rise residential buildings. SubpartE:Mandatory Energy Efficiency Standards for Federal Residential Building. Section435.503:Requirements for the design of a Fed
(a) The head of each Federal agency responsible for the construction of Federal residential buildings shall establish an energy consumption goal for each residential building to be designed or constructed by or for the agency, for which design for construction began before January 3, 2007.