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GDN M 502

Petition to Terminate or Change Minor Guardianship or Non-Parent Custody Order

Washington · Washington State Courts · Effective June 1, 2026

This form is used to ask the court to end (terminate) or change an existing order about a minor's guardianship or non-parent custody. It asks who is filing the request, details the children involved, and asks for specific changes to the current order.

Open the official PDFfrom Washington State Courts

Where this fits in a case

Start a case

Stage: Start a case

This form is used when someone needs to ask the court to change or end a guardianship or non-parent custody order that is currently in place for minor children.

Either party may file.

Common questions

Who should fill out this form?
The form asks who is making the request, and the filer can be a parent, child age 12 or older, guardian, non-parent custodian, or another interested person.
What must I attach to this form?
You must attach a copy of the guardianship or non-parent custody order you want to change or end. If the order is from another county or state, you must also attach a certified copy of the transfer order.
Does this form handle child support changes?
If you want to change child support without ending the guardianship, the form suggests using the child support modification forms (FL Modify 500 – 522).

Revision history

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

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