Some sponsors temporarily reside abroad and intend to move to the US once a family member's immigrant visa is issued. Fill out this form completely in English.• Attach the documentary evidence of support explained below. Sponsors of familybased immigrants must sign a Form I864 Affidavit of Support with proof that they meet income requirements. Yesterday I FedEx'd my Letter to rescind my Affidavit of Support to my local USICS field office and they received it this morning… Hello all,. It is also vital that the citizen fills out what is known as the Form I-134 Affidavit of Support. For a student visa (I-20 Form) must submit this Financial Affidavit. : To sponsor an immigrant, a qualifying individual must complete an affidavit of support that will be submitted to the immigration agency. Fill out the papers listed below: - Proposed Order to Show Cause (OSC). - Affidavit in Support with Exhibits.