If the debtor makes a written request and you do not file the acknowledgment within 14 days, you can be held liable for all damages sustained, plus $50. For more information, check out Code of Civil Procedure section 116.850.
If there are no liens related to the judgment, you can sign the Acknowledgment of Satisfaction of Judgment on the back of your copy of the small claims judgment. If a lien exists, you will have to use Form EJ-100 and have it notarized before filing it with the court and recording a certified copy with the county recorder's office.
To remove a real property lien, use an Acknowledgment of Satisfaction of Judgment (Form EJ-100) and have it notarized before filing it with the court. Then record a certified copy with the county recorder's office.
To remove a personal property lien, follow the instructions on the Judgment Lien Change Form (JL-3) and send it to California Secretary of State at the address showin on the JL3 form.