I. Upon request of the court of another state, the courts of this state which are competent to hear custody matters may order a party or witness in this state to appear at an examination to be conducted in the same manner as if such person were a party to or witness in an action pending in the superior court. A certified copy of the deposition or the evidence otherwise adduced shall be forwarded by the clerk of the court to the court which requested it.
   II. A person within the state may voluntarily give his testimony or statement for use in a custody proceeding outside this state.
   III. Upon request of the court of another state, a competent court of this state may order a person within the state to appear alone or with the child in a custody proceeding in another state. The court may condition compliance with the request upon assurance by the other state that travel and other necessary expenses will be advanced or reimbursed.
Source. 1979, 345:1, eff. Sept. 1, 1979.