If not submitted to NVC along with the Affidavit of Support form, the petitioner will need to provide the visa applicant with evidence of his or her domicile. On Form I864, petitioners must prove that they have the ability to financially support the visa applicant(s) if necessary.This guide will clarify what domicile is, how to establish it, and the documentation you need for proof of domicile. Some types of evidence you can share to show you intend to establish domicile include: Opening a bank account. Transferring money to a United States account. Acceptable evidence to support their domicile claim. Completed Form I-864. Petitioners must submit evidence establishing the domicile requirement to the National Visa Center (NVC) along with the Affidavit of Support. You have to submit at NVC, NVC's job is to collect the documents for the consulate and make sure they are complete.