CFR›Title 14›Chapter II›Part 399›Subpart A ContainsSections 399.1–399.5CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart A—Applicability and Effects of Policy Statements Sections 399.1 § 399.1 Applicability. 399.2 § 399.2 Exclusions. 399.3 § 399.3 Statements in other Department documents. 399.4 § 399.4 Nature and effect of policy statements. 399.5 § 399.5 Arrangement of policy statements. Next B Subpart B—Policies Relating to Operating Authority