{"data":{"id":"us/10-cfr-431.428","jurisdiction":"us","citation":"10 CFR 431.428","heading":"Effective dates of final rules.","body":"(a) A final rule exempting a State standard from Federal preemption will be effective:\n(1) Upon publication in the Federal Register if the Secretary determines that such rule is needed to meet an “energy emergency condition” within the State;\n(2) Three years after such rule is published in the Federal Register; or\n(3) Five years after such rule is published in the Federal Register if the Secretary determines that such additional time is necessary due to the burdens of retooling, redesign or distribution.\n(b) A final rule withdrawing a rule exempting a State standard will be effective upon publication in the Federal Register.","path":["Title 10—Energy","CHAPTER II—DEPARTMENT OF ENERGY","SUBCHAPTER D—ENERGY CONSERVATION","PART 431—ENERGY EFFICIENCY PROGRAM FOR CERTAIN COMMERCIAL AND INDUSTRIAL EQUIPMENT","Subpart W—Petitions To Exempt State Regulation From Preemption; Petitions To Withdraw Exemption of State Regulation"],"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":"20d9125aeb0f048d0ad6a3c37b595457830822f2a95aef4125487850893bff22","source_id":"us-cfr","stale":true,"prev":"us/10-cfr-431.427","next":"us/10-cfr-431.429"},"notice":"GroundRules: Original legal text. Not legal advice."}