((a)) Any lessee of or applicant for grazing privileges, including any person described in subsection (c) of section 316 of this title, may procure a review of any action or decision of any officer or employee of the Interior Department in respect of such privileges, by filing with such officer as the Secretary of the Interior may designate of the local land office an application for a hearing, stating the nature of the action or decision complained of and the grounds of complaint. Upon the filing of any such application such officer of such land office shall proceed to review such action or decision as nearly as may be in accordance with the rules of practice then applicable to applications to contest entries under the public land law. Subject to such rules of practice, appeals may be taken by any party in interest from the decision of such officer to the Secretary.
((b)) The Secretary shall take no action which will adversely affect rights under any lease pursuant to this subchapter until notifying the holder of such lease that such action is proposed and giving such holder an opportunity for a hearing.