Use this form to show they have adequate means of financial support and are not likely to rely on the US government for financial support. Below is a list of forms that you may download for free from our website.Form I-864 is required for most family-based immigrants and some employment-based immigrants to show that they have adequate means of financial support. After completing this form, you should sign the form. You should then file this document with the clerk of the circuit court in the county where the petition. To file an affidavit of support, you will need to provide certain financial documents. In this video we're going to show you how to complete an i 864 and affidavit of support that is needed as part of the package for an adjustment of status. A: The Affidavit of Support is a legal document in which a sponsoring family member commits to financially supporting the immigrant relative. Couples wishing to get married in Florida may apply for a license at any Clerk of Court office or One Stop location. Couples wishing to become legally married in the state of Florida must apply for a marriage license in person and be of 18 years old and over.