Declaration of Due Diligence
Orange County Superior Court · Locally Approved Forms
Verified current as of September 10, 2026
Used in a probate case by the petitioner (such as for a guardianship, conservatorship, or estate matter) to explain efforts made to identify or locate a person entitled to notice, and to ask the court to excuse giving that notice.
This form has fillable fields — you can complete it directly in the viewer on the right.