Section 3411 Of Chapter 1. General Provisions From California Family Law Code >> Division 8. >> Part 3. >> Chapter 1.

. (a) In addition to other procedures available to a party, a party to a child custody proceeding may offer testimony of witnesses who are located in another state, including testimony of the parties and the child, by deposition or other means allowable in this state for testimony taken in another state. The court, on its own motion, may order that the testimony of a person be taken in another state and may prescribe the manner in which and the terms upon which the testimony is taken.
  (b) A court of this state may permit an individual residing in another state to be deposed or to testify by telephone, audiovisual means, or other electronic means before a designated court or at another location in that state. A court of this state shall cooperate with courts of other states in designating an appropriate location for the deposition or testimony.
  (c) Documentary evidence transmitted from another state to a court of this state by technological means that do not produce an original writing may not be excluded from evidence on an objection based on the means of transmission.