CFR›Title 43›Subtitle B›Chapter II›Part 3600›Subpart 3601›Subject Group Unauthorized Use›43 CFR 3601.70 Citation43 CFR 3601.70CorpusDaily eCFRDisplayed edition2026-08-12Last updated2026-08-12 § 3601.70 Unauthorized use. Next 3601.71 § 3601.71 What constitutes unauthorized use?