{"data":{"id":"us/10-cfr-434.505","jurisdiction":"us","citation":"10 CFR 434.505","heading":"Reference building method.","body":"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.","path":["Title 10—Energy","CHAPTER II—DEPARTMENT OF ENERGY","SUBCHAPTER D—ENERGY CONSERVATION","PART 434—ENERGY CODE FOR NEW FEDERAL COMMERCIAL AND MULTI-FAMILY HIGH RISE RESIDENTIAL BUILDINGS","Subpart E—Building Energy Cost Compliance Alternative"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-10.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:09Z","sha256":"68cb090af6ed32ab3140a8544598e2164508361d84803175da23ade4fdf3ccb9","source_id":"us-cfr","stale":true,"prev":"us/10-cfr-434.504","next":"us/10-cfr-434.506"},"notice":"GroundRules: Original legal text. Not legal advice."}