StacksVerified U.S. regulatory reference

40 CFR §60.3047

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)You must keep each record on site for at least 2 years. You may keep the records off site for the remaining 3 years.
  2. (b)All records must be available in either paper copy or computer-readable format that can be printed upon request, unless an alternative format is approved by the Administrator.