This guide gives the steps to write and file such a motion, and includes templates you can adapt to fit your situation. To vacate a default, your motion papers must show a good reason or excuse for your default and that your claims or defenses have legal merit.How to ask to cancel the judge's decision. Fill out the Notice. CATEGORY 3: Applications Recommended for Approval with the Following: ❖ No PHHPC Member Recusals. Notice of Motion to Vacate Judgment and Declaration (SC-135) Ask the Small Claims judge to cancel the decision they made in your case. Customer: Hello, how do I start a motion to vacate? I was sued and received a default judgement because I didn't go to court. You have 30 days to respond to a debt lawsuit in California. 213 Class Actions 40 .