Section 10587 Of Chapter 4. Notice Of Proposed Action Procedure From California Probate Code >> Division 7. >> Part 6. >> Chapter 4.

. (a) Any person entitled to notice of proposed action under Section 10581 may object to the proposed action as provided in this section.
  (b) The objection to the proposed action is made by delivering or mailing a written objection to the proposed action to the personal representative at the address stated in the notice of proposed action. The person objecting to the proposed action either may use the Judicial Council form or may make the objection in any other writing that identifies the proposed action with reasonable certainty and indicates that the person objects to the taking of the proposed action.
  (c) The personal representative is deemed to have notice of the objection to the proposed action if it is delivered or received at the address stated in the notice of proposed action before whichever of the following times is the later:
  (1) The date specified in the notice of proposed action on or after which the proposed action is to be taken.
  (2) The date the proposed action is actually taken.