California Code, Probate Code - PROB § 3800

(a) If a nonresident has a duly appointed, qualified, and acting guardian, conservator, committee, or comparable fiduciary in the place of residence and if no proceeding for guardianship or conservatorship of the nonresident is pending or contemplated in this state, the nonresident fiduciary may petition to have property owned by the nonresident removed to the place of residence.

(b) The petition for removal of property of the nonresident shall be filed in the superior court of the county in which the nonresident is or has been temporarily present or in which the property of the nonresident, or the principal part thereof, is located.

(c) If a conservatorship was transferred from this state to another state pursuant to Article 3 (commencing with Section 2001) of Chapter 8 of Part 3, the foreign conservator may remove the conservatee's personal property from this state without seeking a petition under this chapter.