CFR›Title 40›Chapter I›Part 71›Subpart B ContainsSections 71.21–71.27CorpusDaily eCFRDisplayed edition2026-07-09Last updated2026-07-09 Subpart B—Permits for Early Reductions Sources Sections 71.21 § 71.21 Program overview. 71.22 § 71.22 Definitions. 71.23 § 71.23 Applicability. 71.24 § 71.24 Permit applications. 71.25 § 71.25 Permit content. 71.26 § 71.26 Permit issuance, reopenings, and revisions. 71.27 § 71.27 Public participation and appeal. Previous A Subpart A—Operating Permits