{"data":{"id":"us/40-cfr-87.50","jurisdiction":"us","citation":"40 CFR 87.50","heading":"Exemptions and exceptions.","body":"Provisions related to exceptions apply as described in 40 CFR 1031.20. Provisions related to exemptions apply as described in 40 CFR 1031.10.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 87—CONTROL OF AIR POLLUTION FROM AIRCRAFT AND AIRCRAFT ENGINES"],"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":"b74a8cc4dd6b0cd871bf6cc41263c5c1a7035e942af46162c22fd36997d58069","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-87.48","next":"us/40-cfr-87.60"},"notice":"GroundRules: Original legal text. Not legal advice."}