Follow the steps to successfully complete the CA FL-335 online.

1. Click the ‘Get Form’ button to access the form and open it in your browser or editor.
2. Begin by filling in your information as the attorney or party without attorney. Include your name, State Bar number, and address. If applicable, also provide your telephone number, email address, and the name of the attorney you are representing.
3. Enter the necessary court information in the designated areas, including the superior court of California, the county, street address, mailing address, city and zip code, branch name, and case number.
4. Identify the petitioner/plaintiff and the respondent/defendant by providing their names in the appropriate fields.
5. If applicable, indicate the hearing date and time, as well as the name of the other parent/party related to the proceedings.
6. Fill out the 'Proof of Service by Mail' section. Confirm you are at least 18 years old and not a party to the action. Provide your residence or business address.
7. List the documents you are serving in the specified area, and indicate how you will mail them by either providing postage and placing them in the mail or following the specified business practices if applicable.
8. Complete the section detailing where and when you mailed the documents, including the name of the person served, their address, the date mailed, and the place of mailing.
9. If you are serving a request to modify child custody or support, note that information and include any necessary declarations.
10. Finally, declare under penalty of perjury that the information provided is true and correct. Date the form, type or print your name, and provide your signature.
11. Once completed, you can save the changes, download the document, print it for your records, or share it as needed.

Start filling out the CA FL-335 online to ensure your proof of service is accurate and complete.