CFR›Title 37›Chapter I›Part 2›Subject Group Concurrent use proceedings ContainsSection 2.99CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Sections 2.99 § 2.99 Application to register as concurrent user. Previous Classification Classification Next Correction, Disclaimer, Surrender, Etc. Correction, Disclaimer, Surrender, Etc.