There are several types of Affidavit of Support forms (I-864, I-864EZ, I-864W, and I-864A). 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.If you are coming to the United States on a temporary visa, you may need to prove financial support. A sponsor can file the I-134 form. The purpose of the Affidavit is to assist consular officers in determining whether a visa applicant will have adequate means of financial support in the US. In this guide, we will explain who needs to complete Form I864, when to file it, and how to fill out Form I864 stepbystep. The Traffic clerk's offices are open daily Monday through Friday between the hours of am and pm At College of Alameda, we welcome students from all walks of life and our students come from near and far, from the East Bay to over 50 countries worldwide. Affidavit of support form. e. Remit check or money order, made payable to the Superintendent of Documents, or charge to your GPO Deposit.