43 CFR § 3511.27
How do I renew my lease?
June 11, 2020
File an application at least 90 days before the lease term expires. No specific form is required. Send us 3 copies of your application together with the processing fee for lease renewal found in the fee schedule in §3000.12 of this chapter and an advance rental payment of $1 per acre or fraction of an acre.
[64 FR 53536, Oct. 1, 1999, as amended at 70 FR 58878, Oct. 7, 2005]