Cal. Civ. Proc. Code § [1950.]

Section Nineteen Hundred and Fifty. The record of a conveyance of real property, or any other record, a transcript of which is admissible in evidence, must not be removed from the office where it is kept, except upon the order of a Court, in cases where the inspection of the record is shown to be essential to the just determination of the cause or proceeding pending, or where the Court is held in the same building with such office.