43 CFR § 3505.12
How do I obtain a prospecting permit?
June 11, 2020
Deliver 3 copies of the BLM application form to the BLM office with jurisdiction over the lands you are interested in. Include the first year's rental with your application. You will also be charged a processing fee, which BLM will determine on a case-by-case basis as described in §3000.11 of this chapter. For more information on fees and rentals, see subpart 3504 of this part.
[70 FR 58877, Oct. 7, 2005]