On Form I864, petitioners must prove that they have the ability to financially support the visa applicant(s) if necessary. 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.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. 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. I haven't resided in the USA like your wife for 10 years and the NVC now asking for evidence of domicile. Proof of Domicile XXXXXXmight not have a principal residence or be domiciled in the United States. Please submit proof of domicile. If you want to sponsor someone for a family-based green card, you need to provide proof of a U.S. domicile in your Affidavit of Support (Form I-864). 864 Affidavit of support How to fill out the Form 864 immigration Tips.