Section 63.10033 - In what form and how long must I keep my records?(a) Your records must be in a form suitable and readily available for expeditious review, according to § 63.10(b)(1) .(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.(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 off site for the remaining 3 years.