Choose the correct definition for Sixteenth Amendment Multiple Choice Instituted a tiered income tax on workers Prohibited employment of individuals younger than 16 years of age Mandates completion of form I-9 The case responsible for the U.S. Supreme Court's repeal of DOMA Choose the correct definition for USERRA. Multiple Choice Legislation that governs the treatment of military service personnel A worker who is not subject to a company's direction or its payroll laws Repealed the 180 -day statute of limitations on equal pay complaints Mandates completion of form 19