{"data":{"id":"us/40-cfr-63.1550","jurisdiction":"us","citation":"40 CFR 63.1550","heading":"Delegation of authority.","body":"(a) In delegating implementation and enforcement authority to a State under section 112(l) of the act, the authorities contained in paragraph (b) of this section must be retained by the Administrator and not transferred to a State.\n(b) Authorities which will not be delegated to States: No restrictions.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES","Subpart TTT—National Emission Standards for Hazardous Air Pollutants for Primary Lead Smelting"],"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":"f23fbef4276f99d598f089e969ba60e69ace51302a70b3b06461a2c1ba635a59","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.1549","next":"us/40-cfr-63.1551"},"notice":"GroundRules: Original legal text. Not legal advice."}