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JDF 1300

Guide to Alternate Service

Colorado · Colorado Judicial Branch · Effective April 1, 2024

This guide explains how to ask the court for different ways to officially deliver legal papers when you cannot find the other person. It lists options like publishing a notice in a newspaper or using certified mail.

Open the official PDFfrom Colorado Judicial Branch

Where this fits in a case

Motions

Stage: Motions

This guide is used when a person needs to file a request with the court to serve legal papers to another party, but they do not know the other party's current address.

Either party may file.

Common questions

What is this form for?
This guide explains how to ask the court for different ways to officially deliver legal papers when you cannot find the other person. You must list all your attempts to find the party in your request to the court.
What do I need to file with the court?
After getting approval, you will need to file a Motion for Alternate Service (JDF 1301) and later file an affidavit from the newspaper after the notice is published.

Revision history

No changes recorded since we started tracking this form on October 10, 2026. The current version took effect April 1, 2024.

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