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. 864 Affidavit of support How to fill out the Form 864 immigration Tips.Hi, I was just filling out the form INZ1178 - Partnership support forms for residence. Complete this form (INZ 1178) if you are supporting an applicant for New Zealand residence under the Partnership Category. We recommend completing Affidavit of Support forms on a computer or typewriter, with answers typed in CAPITAL letters. This form is for supporting an applicant for New Zealand residence under the Partnership Category of New Zealand. Government Residence instructions. The petitioner may fill out an Affidavit of Support, Form I-134. If you are filing Form I864 as the petitioning sponsor, use our How to Fill Out Affidavit of Support Form I864 guide. At this stage, you'll fill out Form I-134, Affidavit of Support, to demonstrate your financial ability to support your fiancé(e).