Cal. Gov. Code § 71094

Continuous employment in a court superseded by a municipal court, or in a court previously superseded by such superseded court, of the officers and attachés of the superseded court who succeeded to positions in a municipal court pursuant to the Municipal and Justice Court Act of 1949, or the provisions of law succeeding that act, shall be considered prior service within the definition of that term in any retirement or pension system that includes former municipal court officers and attachés.