CFR › Title 43 › Part 2640 › §2640.0-343 CFR §2640.0-3Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkSection 516 of the Airport and Airway Improvement Act of September 3, 1982 (49 U.S.C. 2215).