(a) Upon petition of the guardian or conservator, the ward or conservatee, or any other interested person, the court may for good cause order the ward or conservatee to be wholly or partially supported, maintained, or educated out of the estate notwithstanding the existence of a third party legally obligated to provide such support, maintenance, or education. Such order may be made for a limited period of time. If not so limited, it continues in effect until modified or revoked.
(b) Notice of the hearing on the petition shall be given for the period and in the manner provided in Chapter 3 (commencing with Section 1460) of Part 1.