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WPF GARN 01.0300

Certification of Mailing (Garnishment)

Washington · Washington State Courts · Effective June 1, 2012

This form is a Certification of Mailing used to prove that certain legal papers related to garnishment were sent to the correct people. It asks the person signing it to state when and where the documents were mailed using certified mail.

Open the official PDFfrom Washington State Courts

Where this fits in a case

After judgment

Stage: After judgment

This form is used when someone needs to prove to the court that they mailed specific garnishment documents to the defendant(s) and the garnishee.

Either party may file.

Common questions

Who fills out this form?
The person signing the form must be a citizen of Washington State, over 18, and cannot be a party to the case. Great care must be taken to fill out the dates and addresses correctly.
What does this form prove?
It proves that specific documents, like a Writ of Garnishment, were mailed to the defendant and the garnishee using certified mail. The proof of mailing is attached to the form.
Are there fees involved?
The form has spaces for listing fees for 'Service' and 'Postage' that must be paid when filing.

Revision history

No changes recorded since we started tracking this form on October 9, 2026. The current version took effect June 1, 2012.

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