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NC-521Mandatory

Proof of Service of Order to Show Cause (Change of Name or Gender to Conform to Gender Identity)

California · Judicial Council of California · Effective July 1, 2026

This form is used to tell the court that you have given copies of the Order to Show Cause (for a name or gender change) to the other parent or relatives. It asks you to list what papers were given, who received them, where, when, and how they were given.

The court describes it as: Tells the court that you had the Order to Show Cause and other forms delivered to (served on) the other parent or relatives in a case related to gender identity. Lists the papers that were served and tells who they were served on, where, when, and how they were served, and who served them.

Open the official PDFfrom Judicial Council of California

Where this fits in a case

Judgment

Stage: Judgment

This form is used in a case about changing a name or gender to match one's gender identity, specifically after an Order to Show Cause has been issued.

Either party may file.

Official instructions

How-to guides published by the court for this form.

Common questions

What is this form for?
This form proves to the court that you served the Order to Show Cause and related documents to the other parent or relatives in a name or gender change case.
Who fills out this form?
The form requires the person who served the documents to fill it out, and they must sign it under penalty of perjury.

Revision history

No changes recorded since we started tracking this form on October 9, 2026. The current version took effect July 1, 2026.

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