Immigration and Nationality Act (INA): Primary federal immigration law that governs Affidavits of Support, particularly Section 213A which establishes legally enforceable requirements for financial sponsors

Code of Federal Regulations (8 CFR �� 213a): Federal regulations that detail specific requirements for Affidavits of Support, including implementation guidelines and procedural requirements

USCIS Forms and Requirements: Specific USCIS form requirements including Form I-864 and Form I-134, which are the official Affidavits of Support forms with detailed instructions and requirements

Personal Responsibility and Work Opportunity Reconciliation Act of 1996: Federal law that defines sponsor's obligations, liability, and duration of financial responsibility in support agreements

Federal Poverty Guidelines: Annual guidelines published by Department of Health and Human Services that establish income thresholds for sponsors (typically requiring 125% of poverty level)

State Contract Laws: State-specific regulations governing contract formation, enforceability, and execution requirements that affect the validity of the affidavit