CFR › Title 40 › Part 53 › Appendix A to Subpart B of Part 5340 CFR Part 53, Appendix AVerified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link[76 FR 54326, Aug. 31, 2011, as amended at 89 FR 16385, Mar. 6, 2024]