Nearly 10% of SBA loan portfolios face immediate disqualification as new rules mandate 100% U.S. citizenship. Starting March 1, 2026, green card holders lose all access to 7(a) and 504 programs. This SBA policy reversal eliminates long-standing permanent resident eligibility. Businesses must restructure ownership immediately to secure funding. The sudden shift aligns with Executive Order 14159. This mandate effectively bars legal immigrants from federal small business capital nationwide.