The Npmhu Is A National Organization Of Employees Dedicated To Advancing The Interests Of Its Members And Their Families. The Primary Purpose Of The Union Is To Negotiate And Enforce A National Agreement With The U.s. Postal Service, A Contract That Establishes Wages, Cost-of-living Adjustments And Other Pay Increases, Working Conditions, And Fringe Benefits For All Workers Within Its Jurisdiction. The Union Also Protects Workers’ Rights By Representing Them In Day-to-day Problems On The Job, Like Discipline, Violations Of Seniority, Discrimination, Or Other Management Abuse, And Addresses Such Work-place Concerns As Safety, Health, And The Impact Of Technological Change.