US lawFederal (United States)RegulationsTitle 10 CFR — EnergyChapter II — DEPARTMENT OF ENERGYPart 434 — ENERGY CODE FOR NEW FEDERAL COMMERCIAL AND MULTI-FAMILY HIGH RISE RESIDENTIAL BUILDINGSSubpart E — Building Energy Cost Compliance Alternative434.50910 C.F.R. § 434.509Compliance.Last amended: 2016Year: 2026Length: 34 wordsOfficial source Cite as 10 C.F.R. § 434.509 (2026)509.1 If the Design Energy Cost is less than or equal to the Energy Cost Budget, and all of the minimum requirements of subsection 501.2 are met, the Proposed Design complies with the standards.Previous10 C.F.R. § 434.508Next10 C.F.R. § 434.510