California Code, Probate Code - PROB § 9783

A person described in Section 9782 may personally deliver or mail a written objection to the disposition or abandonment to the personal representative on or before the date specified in the notice as the date on or after which the property will be disposed of or abandoned. Subject to Section 9788, after receipt of the written objection, the personal representative shall not dispose of or abandon the property without authorization by order of the court obtained under Section 9611.