Section 84
SEC. 84. Whenever the lessee fails to comply with any provisions of this Act or the rules and regulations promulgated thereunder, or with any of the provisions of the lease contract, the lease may be forfeited and cancelled by the Secretary of Agriculture and Commerce or by appropriate proceeding in a court of competent jurisdiction, if necessary, and the lessee shall be liable for all unpaid rentals and royalties due the Government on the lease up to the time of its cancellation.