Cal. Probate Code § 2554

(a) An order authorizing the execution of a lease shall set forth the minimum rental or royalty or both and the period of the lease, which shall be for such time as the court may authorize. (b) The order may authorize other terms and conditions, including, with respect to a lease for the purpose of exploration for or production or removal of minerals, oil, gas, or other hydrocarbon substances, or geothermal energy, any one or more of the following: (1) A provision for the payment of rental and royalty to a depositary. (2) A provision for the appointment of a common agent to represent the interests of all the lessors. (3) A provision for the payment of a compensatory royalty in lieu of rental and in lieu of drilling and producing operations on the land covered by the lease. (4) A provision empowering the lessee to enter into any agreement authorized by Section 3301 of the Public Resources Code with respect to the land covered by the lease. (5) A provision for a community oil lease or pooling or unitization by the lessee. (c) If the lease covers additional property owned by other persons or an undivided or other interest of the ward or conservatee less than the entire ownership in the property, the order may authorize the lease to provide for division of rental and royalty in the proportion that the land or interest of each owner bears to the total area of the land or total interests covered by such lease. (d) If the lease is for the purpose of exploration for or production or removal of minerals, oil, gas, or other hydrocarbon substances, or geothermal energy, the court may authorize that the lease be for a fixed period and any of the following: (1) So long thereafter as minerals, oil, gas, or other hydrocarbon substances or geothermal energy are produced in paying quantities from the property leased or mining or drilling operations are conducted thereon. (2) If the lease provides for the payment of a compensatory royalty, so long thereafter as such compensatory royalty is paid. (3) If the land covered by the lease is included in an agreement authorized by Section 3301 of the Public Resources Code, so long thereafter as oil, gas, or other hydrocarbon substances are produced in paying quantities from any of the lands included in any such agreement or drilling operations are conducted thereon.