The issue focused on legislation introduced by Senator Barbara Mikulski (D-MD), which included legislation which allowed illegal aliens to obtain Social Security cards by proving they had lived in the United States for five years and paying $100 for an administrative fee. Some legislation passed this way included legislation allowing illegal aliens to obtain Social Security cards by proving they had lived in the United States for five years and paying $100 for an administrative fee. Some legislation passed this way included legislation allowing illegal aliens to obtain Social Security cards by proving