Cal. Penal Code § 959.1
(c) A magistrate or court is authorized to receive and file an accusatory pleading in electronic form if all of the following conditions are met:
(3) The magistrate or court has the ability to reproduce the accusatory pleading in physical form upon demand and payment of any costs involved.
An accusatory pleading shall be deemed to have been filed when it has been received by the magistrate or court.
When transmitted in electronic form, the accusatory pleading shall be exempt from any requirement that it be subscribed by a natural person. It is sufficient to satisfy any requirement that an accusatory pleading, or any part of it, be sworn to before an officer entitled to administer oaths, if the pleading, or any part of it, was in fact sworn to and the electronic form indicates which parts of the pleading were sworn to and the name of the officer who administered the oath.
(d) Notwithstanding any other law, a notice to appear issued on a form approved by the Judicial Council may be received and filed by a court in electronic form, if the following conditions are met:
(2) The court has all of the following: