Declaration of Diligent Search
Sonoma Superior Court · Related Links
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Last updated July 19, 2026
This form is used to prove that someone made a serious, good-faith effort to find and notify another person about a court case before proceeding without them. A person would need this form when they're involved in a lawsuit but can't locate the other party despite trying multiple ways to reach them, such as searching public records or contacting known addresses and phone numbers.
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