Rules governing the energy efficiency for the design and construction of buildings and structures, not including residential buildings, shall be those contained in the 2009 International Energy Conservation Code (IECC), section 501.1 and ASHRAE Standard 90.1-2007, including appendices A, B, C, and D. With the amendments noted, Section 501.1 of the IECC and ASHRAE Standard 90.1-2007 are adopted in these rules by reference.