California Code, Penal Code - PEN § 932

After investigating the books and accounts of the various officials of the county, as provided in the foregoing sections of this article, the grand jury may order the district attorney of the county to institute suit to recover any money that, in the judgment of the grand jury, may from any cause be due the county. The order of the grand jury, certified by the foreman of the grand jury and filed with the clerk of the superior court of the county, shall be full authority for the district attorney to institute and maintain any such suit.