Foreign nationals living in the U.S. for 30 days or more are legally required to report any change of address to U.S. Citizenship and Immigration Services (USCIS) within 10 days of moving. This rule does not apply to individuals on A or G visas or ESTA (Visa Waiver Program) visitors, but it does include green card holders. In addition, any individual (U.S. citizen or legal permanent resident) who sponsors a foreign national on a Form I-864 Affidavit of Support (usually through a family-based immigration sponsorship process), and whose sponsorship agreement is still in force, must submit a completed and signed...