CFR›Title 10›Chapter X›Part 1017›Subpart D ContainsSections 1017.19–1017.21CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart D—Access to Unclassified Controlled Nuclear Information Sections 1017.19 § 1017.19 Access limitations. 1017.20 § 1017.20 Routine access. 1017.21 § 1017.21 Limited access. Previous C Subpart C—Review of a Document or Material for Unclassified Controlled Nuclear Information Next E Subpart E—Physical Protection Requirements