Revenue and Taxation Code § 421.5
ARTICLE 1.5. Valuation of Open-Space Land Subject to an Enforceable Restriction
For purposes of this article, the following terms have the following meaning:
(a) “Agricultural conservation easement” shall have the same meaning as defined in Section 10211 of the Public Resources Code.
(b) “Open-space land” includes land subject to an agricultural conservation easement.