US lawFederal (United States)RegulationsTitle 10 CFR — EnergyChapter X — DEPARTMENT OF ENERGY (GENERAL PROVISIONS)Part 1016 — SAFEGUARDING OF RESTRICTED DATA BY ACCESS PERMITTEES1016.2310 C.F.R. § 1016.23Changes in classification.Last amended: 2017Year: 2026Length: 30 wordsOfficial source Cite as 10 C.F.R. § 1016.23 (2026)Classified matter containing Restricted Data shall not be downgraded or declassified except as authorized by DOE and in accordance with 10 CFR part 1045. [82 FR 41508, Sept. 1, 2017]Previous10 C.F.R. § 1016.22Next10 C.F.R. § 1016.24