CFR › Title 43 › Part 3214 › §3214.1643 CFR §3214.16Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkYou must use a BLM-approved bond form (Form 3000-4, or Form 3000-4a, June 1988 or later editions) for corporate surety bonds and personal bonds.