California Code, Penal Code - PEN § 4570.5

Every person who falsely indentifies  1 himself either verbally or by presenting any fraudulent written instrument to prison officials, officers, or employees of any state prison, prison road camp, or prison forestry camp, or other prison camp or prison farm, or any jail, or any county industrial farm, or any county road camp, for the purpose of securing admission to the premises or grounds of any such prison, camp, farm, or jail, and such person would not otherwise qualify for admission, is guilty of a misdemeanor.