However, the lessee shall be liable for unnecessary or excessive damage caused by lessee, in the judgment of the Department, to the state's interest in the surface, or to the interest of a surface lessee, if any, and the Department may require the lessee at any time to execute a bond in a reasonable principal amount as determined by the Department conditioned upon payment for all such damage. If the lessee and a surface lessee cannot agree upon the amount of damages caused by lessee, such damages shall be appraised by the Department or its agent and appeal from the judgment of the Department may be taken as provided by law.
Ariz. Admin. Code § R12-5-2209