Petitioner: The petitioner must complete an Affidavit of Support Form I-864. The person who signs the Affidavit of Support is also called the "sponsor.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. The State Travel Dept says an I-134 has no bearing on whether or not someone gets approved for a B-2 Visa. Form I134 is used to document the personal finances of a sponsor who lives in the United States. The co-sponsor must submit their own Affidavit of Support (Form I-864) and must meet the above income requirements all on their own. Obtain and complete a student visa application form DS-160. The person who is petitioning on behalf of the immigrant visitor fills out Form I-134. The steps you are required to take to apply for a derivative visa and the forms you are required to complete are the same as the principal visa applicant. Some sponsors temporarily reside abroad and intend to move to the US once a family member's immigrant visa is issued.