Cal. Penal Code § 1201.5

Any motions made subsequent to judgment must be made only upon written notice served upon the prosecution at least three days prior to the date of hearing thereon. No affidavit or other writing shall be presented or considered in support thereof unless a copy of the same has been duly served upon the prosecution at least three days prior to a hearing thereon. Any appeal from an order entered upon a motion made other than as herein provided, must be dismissed by the court.