I-864 and Co-Sponsor’s Liabilities.

In U.S. immigration applications, particularly family-based green card processes, a co-sponsor (also called a joint sponsor) is a U.S. citizen, lawful permanent resident, or U.S. national who is at least 18 years old and domiciled in the United States. They step in to sign Form I-864, Affidavit of Support Under Section 213A of the INA, when the primary sponsor (the petitioning family member) does not meet the required income threshold—typically 125% of the Federal Poverty Guidelines for their household size, including the immigrant(s). The co-sponsor must independently demonstrate sufficient income or assets to cover this threshold for their own household plus the sponsored immigrant(s), without combining finances with the primary sponsor. Up to two co-sponsors are allowed per application, and they do not need to be related to the immigrant or primary sponsor. By signing, the co-sponsor enters a legally binding contract with the U.S. government to financially support the immigrant, ensuring they do not become a “public charge” reliant on certain public benefits. This helps the immigrant overcome potential inadmissibility grounds and is submitted during the visa or adjustment of status process.

Signing Form I-864 imposes significant, long-term financial and legal liabilities on co-sponsors (joint sponsors), who share “joint and several” liability with the primary sponsor—meaning any sponsor can be held fully responsible for the obligations, and entities can pursue any or all of them for enforcement. These liabilities stem from the form’s status as an enforceable contract, which prioritizes protecting the government and immigrant from public dependency. Below is a comprehensive list of liabilities, obligations, and associated risks, drawn from official USCIS guidance and legal analyses. Note that while enforcement actions are relatively rare in practice, the potential consequences are severe and can persist for years or even decades.

• Co-sponsors must ensure the sponsored immigrant’s income (or support provided) reaches at least 125% of the Federal Poverty Guidelines for the immigrant’s household size annually. This includes providing direct financial assistance if needed, such as cash payments, housing, or other support to prevent the immigrant from falling below this threshold.
• Failure to maintain this level allows the immigrant to sue the co-sponsor in state or federal court for the shortfall amount, calculated year-by-year (income from one year cannot offset deficits in another). Damages are based on the difference between the immigrant’s actual income and the required threshold.
• This obligation applies regardless of changes in the relationship, such as divorce from the primary sponsor—the co-sponsor remains liable even if the immigrant quits working or has other resources.

• If the sponsored immigrant receives certain “means-tested public benefits” (e.g., Supplemental Security Income (SSI), Temporary Assistance for Needy Families (TANF), or state-designated equivalents like cash assistance programs), the co-sponsor must repay the full cost to the providing agency.
• Agencies can sue the co-sponsor for repayment, including additional costs like legal fees, court expenses, and interest. Liability is enforceable for up to 10 years after the immigrant first receives the benefit.
• Not all benefits trigger repayment; exemptions include non-cash aid like Medicaid, SNAP (food stamps), CHIP, WIC, emergency medical care, school lunches, Head Start, job training programs, and HUD housing assistance. Only benefits designated as means-tested at the time of receipt apply.
• The immigrant’s receipt of such benefits can also render them ineligible for future aid, as agencies consider the co-sponsor’s resources as available to the immigrant.

• Obligations begin when the immigrant obtains permanent residency (green card approval) and continue until one of these events: the immigrant becomes a U.S. citizen; accrues 40 qualifying quarters of work under Social Security (about 10 years, crediting spousal work during marriage but excluding quarters with benefit receipt); permanently departs the U.S. and abandons residency; is deported and obtains a new adjustment of status; or dies.
• The co-sponsor’s death terminates future obligations but does not erase pre-death debts, which may be collected from their estate.
• Divorce, separation, or changes in the sponsor-immigrant relationship do not end liabilities. Bankruptcy does not discharge these obligations, as they are treated like domestic support (e.g., alimony).

• Co-sponsors must notify USCIS of any address change within 30 days using Form I-865. Failure to do so can result in civil fines of $250–$2,000 (or up to $5,000 if the sponsor knew the immigrant received benefits).
• They must provide documentation during the application, including proof of U.S. status, recent tax returns, W-2s/1099s, and evidence of income/assets. Assets must be convertible to cash within one year without hardship and valued at five times the income shortfall.

• Lawsuits and Enforcement: The immigrant, federal/state/local governments, or benefit agencies can sue for breach, seeking support shortfalls or benefit reimbursements plus costs. Co-sponsors have limited defenses, such as arguing the immigrant failed to mitigate damages (e.g., by not seeking employment), but outcomes vary by case.
• Joint Liability Exposure: Co-sponsors are equally liable with the primary sponsor and any other co-sponsor, so they could bear the full burden if others cannot pay.
• Practical Vulnerabilities: Risks increase if the immigrant does not work, relies on benefits, or sues after a relationship breakdown. While separate agreements (e.g., in divorce settlements) might waive enforcement rights, their validity is uncertain.
• Immigration Consequences: If liabilities lead to application denial (e.g., due to insufficient proof), it could delay or block the immigrant’s status. Co-sponsors should only sign if they fully trust the immigrant’s self-sufficiency, as withdrawal after signing is difficult.

These liabilities underscore the gravity of co-sponsorship; potential co-sponsors are advised to consult immigration attorneys for personalized risk assessment, as laws and guidelines can evolve.