FORM I-864
Affidavit of Support
If you are petitioning for a family-based intending immigrant, whether they will adjust inside the United States or travel abroad to consular process, this form will most likely be required.
It's purpose is to ensure that the intending immigrant, if necessary, will be financially supported by the petitioner and joint sponsors and not be dependent upon government assistance.
If you're asked to complete this form for an intending immigrant, read through the commitment thoroughly and seek independent legal advice if you are unsure of how signing this form could affect you in the future.