Amends the Internal Revenue Code to authorize the U.S. Tax Court to: (1) appoint a clerk of court and other necessary employees without regard to civil service provisions governing appointments in the competitive service and to fix and adjust the compensation for such employees; (2) establish programs for employee evaluations, incentive awards, flexible work schedules, premium pay, and resolution of employee grievances; and (3) hire experts and consultants. Requires the Court's personnel management system to incorporate existing merit system principles and employee appeal rights, prohibit employment discrimination and prohibited personnel practices, and provide appropriate preference in hiring. Authorizes the judges and special trial judges of such Court to appoint their own employees, including law clerks, without regard to civil service provisions governing appointments in the competitive service.