California Code, Penal Code - PEN § 1422

Unless some person files a verified complaint seeking to recover all, or a designated part, of the money in a court of competent jurisdiction within the county in which the notice is published, and serves a copy of the complaint and the summons issued thereon upon the county treasurer before the date designated in the notice, upon that date the money becomes the property of the county and shall be transferred by the treasurer to the general fund.