California Code, Penal Code - PEN § 686.5

In any case in which a person is arrested and released without trial or in which a person is arrested, tried, and acquitted, if such person is indigent and is released or acquitted at a place to which he has been transported by the arresting agency and which is more than 25 airline miles from the place of his arrest, the arresting agency shall, at his request, return or provide for return of such person to the place of his arrest.