CCP §1240.690: (a) When property described in Section 1240.

(a) When property described in Section 1240.670 or 1240.680 is sought to be acquired for state highway purposes, and the property was dedicated or devoted to a use described in those sections prior to the initiation of highway route location studies, an action for declaratory relief may be brought by the public entity or nonprofit organization owning the property in the superior court to determine the question of which public use is the best and most necessary public use for the property. (b) The action for declaratory relief shall be filed and served within 120 days after the California Transportation Commission has published in a newspaper of general circulation pursuant to Section 6061 of the Government Code, and delivered to the public entity or nonprofit organization owning the property a written notice that a proposed route or an adopted route includes the property. In the case of nonprofit organizations, the written notice need only be given to nonprofit organizations that are on file with the Registrar of Charitable Trusts of this state. (c) In the declaratory relief action, the resolution of the California Transportation Commission is not conclusive evidence of the matters set forth in Section 1240.030. (d) With respect to property described in Section 1240.670 or 1240.680 which is sought to be acquired for state highway purposes: (1) If an action for declaratory relief is not filed and served within the 120-day period established by subdivision (b), the right to bring the action is waived and Sections 1240.670 and 1240.680 do not apply. (2) When a declaratory relief action may not be brought pursuant to this section, Sections 1240.670 and 1240.680 do not apply.