CFR›Title 10›Chapter I›Part 63›Subpart B›Subject Group Permanent Closure ContainsSections 63.51–63.52CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Sections 63.51 § 63.51 License amendment for permanent closure. 63.52 § 63.52 Termination of license. Previous License Issuance and Amendment License Issuance and Amendment Next Preapplication Review Preapplication Review