The Office of Personnel Management (OPM) provides leadership on pay administration for civilian Federal employees. Provides annual pay adjustments for employees under each statutory pay system equal to the annual increase in the Employment Cost-Index (excluding sales).The Industrial Commission of Arizona authority to enforce and implement the Act's minimum wage and earned paid sick time requirements. Arizona law requires every employer to withhold Arizona income tax from those employees for services provided within Arizona. The Equal Pay Act requires that men and women in the same workplace be given equal pay for equal work. From Title 5—GOVERNMENT ORGANIZATION AND EMPLOYEESPART III—EMPLOYEES. Remote employees must also be able to access these notices electronically. As with Arizona state and local government employees, federal employees cannot be required to pay union dues or fees. Benefits Program, contact the HRO Employee Relations Section. Applicability General Schedule (GS) or equivalent employees may earn a hazard pay differential.