[Code of Federal Regulations] [Title 10, Volume 3] [Revised as of January 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 10CFR434.505] [Page 393] TITLE 10--ENERGY CHAPTER II--DEPARTMENT OF ENERGY PART 434_ENERGY CODE FOR NEW FEDERAL COMMERCIAL AND MULTI-FAMILY HIGH RISE RESIDENTIAL BUILDINGS--Table of Contents Subpart E_Building Energy Cost Compliance Alternative Sec. 434.505 Reference building method. 505.1 The Reference Building procedure shall be used only when the Proposed Design cannot be represented by one or a combination of the Prototype Building listed in subsection 503.1 or the assumptions for the Prototype Building in Subsection 510, such as occupancy and use- profiles, do not reasonably represent the Proposed Design. [[Page 394]]