{"data":{"id":"us/40-cfr-63.9550","jurisdiction":"us","citation":"40 CFR 63.9550","heading":"In what form and how long must I keep my records?","body":"(a) You must keep your records in a form suitable and readily available for expeditious review, according to § 63.10(b)(1).\n(b) As specified in § 63.10(b)(1), you must keep each record for 5 years following the date of each occurrence, measurement, maintenance, corrective action, report, or record.\n(c) You must keep each record on site for at least 2 years after the date of each occurrence, measurement, maintenance, corrective action, report, or record, according to § 63.10(b)(1). You can keep the records offsite for the remaining 3 years.","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 QQQQQ—National Emission Standards for Hazardous Air Pollutants for Friction Materials Manufacturing Facilities"],"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":"b50aea512487e13b973dea6977fe753ca6734a1fa7fd2512e92d72b28f379a22","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.9545","next":"us/40-cfr-63.9555"},"notice":"GroundRules: Original legal text. Not legal advice."}