Cal. Rev. & Tax. Code § 214.03
(c)
(1) For the purposes of determining whether the property is used for the actual operation of the exempt activity as required by subdivision (a), consideration shall not be given to the use of the property for either of the following:
(3) For purposes of this subdivision, a “qualified conservation management plan” means a plan that satisfies all of the following:
(A) Identifies both of the following:
(B) Describes both of the following: