CFR › Title 40 › Part 87 › §87.5040 CFR §87.50Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkProvisions related to exceptions apply as described in 40 CFR 1031.20. Provisions related to exemptions apply as described in 40 CFR 1031.10.