CFR›Title 29›Subtitle A›29 CFR Part 14 Citation29 CFR Part 14ContainsSubparts Subpart A–Subpart CCorpusDaily eCFRDisplayed edition2026-09-24Last updated2026-09-24 PART 14—SECURITY REGULATIONS Subparts Subpart A Subpart A—Introduction to Security Regulations Subpart B Subpart B—Review of Classified Information Subpart C Subpart C—Transmission of Classified Information AuthorityE.O. 12356 of April 2, 1982 (47 FR 14874).Source50 FR 51391, Dec. 17, 1985, unless otherwise noted.