Tax System Modernization. IRS' Challenge for the 21st Century Open PDF Document Details Document Type Technical Report Publication Date Feb 01, 1990 Accession Number ADA280719 Entities Organizations United States Government Accountability Office Tags Communities of Interest Materials and Manufacturing Processes DTIC Thesaurus Topics Acquisition Automation Character Recognition Communication Systems Computer Programming Computer Programs Computers Congress Control Systems Databases Governments House Of Representatives Information Systems Life Cycle Costs Life Cycles Mainframe Computers Organizational Structure