There are several types of Affidavit of Support forms (I-864, I-864EZ, I-864W, and I-864A). 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. This form is highly recommended for sponsoring the B2 tourist visa. This page describes in detail how exactly to fill sample I-134. Applicants for a B2 tourist visa should NOT submit the I-864 Affidavit of Support or any other official US document pertaining to their finances. Noncompliance will result in the cancellation of operational licenses. A Form I864, Affidavit of Support under Section 864A of the INA. The parole process typically involves a petitioner in the United States filing a humanitarian parole application on Form I-131,.