Government Code § 38442
ARTICLE 2. Parks Dedicated by City
Except as provided in Section 38441, this article shall not be construed to authorize:
(a) A discontinuance and abandonment, or change in the use, of such lands which will cause the reversion of the lands to private ownership or a forfeiture of the city’s ownership in fee.
(b) The discontinuance of the use of park lands acquired by funds obtained from a local assessment based on benefits.