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. There are several types of Affidavit of Support forms (I-864, I-864EZ, I-864W, and I-864A).In order to fill out an affidavit of support as a sponsor, you must be a U.S. citizen or green card holder. The "Affidavit of Support" is a signed document to accept financial responsibility for a family member who is seeking a green card. Affidavit of Support: Your sponsor must complete an Affidavit of Support Form. Submit a completed Affidavit of Support form. Sponsors who are US citizens and permanent residents should complete the USCIS Form I-134 Affidavit of Support. Consulate General of India Chicago Updated Advisory on Tourist Visas. All admitted international students must complete the DCF, even those not pursuing sponsorship from UIC. Immigration assistance providers may offer the following services: Provide appropriate government forms as long as legal advice is not given.