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October 12, 2026

Rosemarie's income was too low. Here's how her family closed the gap.

When a petitioner can't meet the Affidavit of Support income line alone, there are two ways to add money: Form I-864A or a joint sponsor. One family's story shows the difference.

Rosemarie is a U.S. citizen who works part time at a school cafeteria in Orlando. Last spring she married Jean-Claude, and she filed Form I-130 so he could get his green card. Then she reached the Affidavit of Support, Form I-864, and stopped.

The I-864 is a legally binding promise that the immigrant will not become dependent on public benefits. To file it, the sponsor's household income generally has to reach 125% of the federal poverty guidelines for the household size. Rosemarie's household was three people: herself, Jean-Claude, and her 24-year-old son Patrick, who lives with her. Her pay alone didn't reach the line.

Her first thought was that someone else could just take her place. That's the most common misunderstanding about this form. In a family case, the petitioner is always the sponsor. Rosemarie has to file an I-864 no matter how little she earns. What she can do is add income from someone else, and there are two ways to do it.

Path one: Patrick signs an I-864A

Patrick works full time at a warehouse. Because he is a relative living in the same home, he can sign Form I-864A, the Contract Between Sponsor and Household Member. His income is then added to his mother's on her own I-864, and together they clear the line.

The catch: by signing, Patrick becomes legally responsible, together with his mother, for supporting Jean-Claude. If Jean-Claude ever received certain means-tested public benefits, the government could seek repayment from both of them, and Jean-Claude himself could sue either of them for support.

Path two: Uncle Fritz becomes a joint sponsor

Rosemarie's brother Fritz, a U.S. citizen in Boston, offered to help instead. A joint sponsor doesn't add income to the petitioner's. He files his own complete I-864 and must meet the income requirement by himself, counting his own household plus Jean-Claude. Fritz has a wife and two children, so his household size for the form is five. His salary covers it.

Fritz takes on the same legal obligation Patrick would have. The difference is in the paperwork: one complete affidavit standing on its own, rather than a contract attached to Rosemarie's.

Which did they choose?

They went with Patrick. His pay, combined with his mother's, was enough, and keeping everything inside one household meant one set of tax returns and pay stubs to collect. Fritz stayed as a backup if the numbers changed before the interview.

How long does the promise last?

This is the part families should talk about before anyone signs. The obligation does not end with a divorce. It ends when the immigrant becomes a U.S. citizen, has 40 qualifying quarters of work (about ten years), leaves the U.S. permanently and gives up permanent residence, or dies.

The short version

• The petitioner always files an I-864, even with low income.
• I-864A: a relative in the same household (or a tax dependent) adds income to the sponsor's.
• Joint sponsor: files a separate, complete I-864 and must qualify alone.
• Everyone who signs is legally responsible for supporting the immigrant.
• The current income figures are on Form I-864P, updated each year.

Rosemarie, Patrick, Jean-Claude and Fritz are fictional; the rules are real. This article is general information, not legal advice. Check the current form instructions on uscis.gov before filing.

Terms on this page are explained in the immigration glossary.