43 CFR § 3517.15
How do I apply for approval of one of these agreements?
June 11, 2020
No specific form is required. Submit three copies of your application to the BLM office with jurisdiction over some or all of the lands in which you are interested. Include the following information:
(a) Copies of the contract or other agreement affecting the Federal hardrock mineral leases or permits, or both;
(b) A statement showing the nature and reason for your request;
(c) A statement showing all the interests held in the area of the agreement by the designated contractor; and
(d) The proposed or agreed upon plan of operation for development of the leased lands.