{"data":{"id":"us/40-cfr-51.281","jurisdiction":"us","citation":"40 CFR 51.281","heading":"Copies of rules and regulations.","body":"Emission limitations and other measures necessary for attainment and maintenance of any national standard, including any measures necessary to implement the requirements of subpart L must be adopted as rules and regulations enforceable by the State agency. Copies of all such rules and regulations must be submitted with the plan. Submittal of a plan setting forth proposed rules and regulations will not satisfy the requirements of this section nor will it be considered a timely submittal.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 51—REQUIREMENTS FOR PREPARATION, ADOPTION, AND SUBMITTAL OF IMPLEMENTATION PLANS","Subpart O—Miscellaneous Plan Content Requirements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"7dd72e0c5c995a21901e1b60a39dcbbb9b86d223e7e342d2acff43a1c67cec8d","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-51.280","next":"us/40-cfr-51.285"},"notice":"GroundRules: Original legal text. Not legal advice."}