Mass Immigration Reduction Act of 2003

Mass Immigration Reduction Act of 2003 - Provides that during a specified immigration moratorium period: (1) employment-based immigrant visas shall be reduced, and family-sponsored and diversity immigrant visas shall be eliminated; (2) immigrant status shall be granted only to children and spouses of U.S. citizens or priority workers; (3) refugee admissions and asylee adjustments shall be limited to 25,000 per year; and (4) an alien shall be required to renounce citizenship or nationality of any other country in order to be naturalized as a U.S. citizen.