{"data":{"id":"us/40-cfr-63.5435","jurisdiction":"us","citation":"40 CFR 63.5435","heading":"In what form and how long must I keep my records?","body":"(a) Your records must be 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 onsite 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 TTTT—National Emission Standards for Hazardous Air Pollutants for Leather Finishing Operations"],"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":"69bf2741ffc88181530885344829be1b8eda32ae2846a4e32a2a759a02ffa46b","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.5430","next":"us/40-cfr-63.5450"},"notice":"GroundRules: Original legal text. Not legal advice."}