4520. (a) The superior court has jurisdiction in proceedings under
(b) The court in proceedings under this division is a court of
general jurisdiction and the court, or a judge of the court, has the
same power and authority with respect to the proceedings as otherwise
provided by law for a superior court, or a judge of the superior
court, including, but not limited to, the matters authorized by
Section 128 of the Code of Civil Procedure.
4521. The court may exercise jurisdiction in proceedings under this
division on any basis permitted by Section 410.10 of the Code of
4522. Without limiting Section 4521, a person who acts as an
attorney-in-fact under a power of attorney governed by this division
is subject to personal jurisdiction in this state with respect to
matters relating to acts and transactions of the attorney-in-fact
performed in this state or affecting property or a principal in this
4523. The proper county for commencement of a proceeding under this
division shall be determined in the following order of priority:
(a) The county in which the principal resides.
(b) The county in which the attorney-in-fact resides.
(c) A county in which property subject to the power of attorney is
(d) Any other county that is in the principal's best interest.