California Probate Code
(a) When an order has been made transferring venue to another county, the court transferring the matter shall set a hearing within two months to confirm receipt of the notification described in subdivision (b). If the notification has not been made, the transferring court shall make reasonable inquiry into the status of the matter.
(b) When a court receives the file of a transferred guardianship or conservatorship, the court:
(1) Shall send written notification of the receipt to the court that transferred the matter.
(2) Shall take proper action pursuant to ensure compliance by the guardian or conservator with the matters provided in Section 1456.5.
(3) If the case is a conservatorship, may conduct a review, including an investigation, as described in Sections 1851 to 1853, inclusive.