MultiTax Commission

An intergovernmental state tax agency whose mission is to promote uniform and consistent tax policy and administration among the states, assist taxpayers in achieving compliance with existing tax laws, and advocate for state and local sovereignty in the development of tax policy.


Promoting “uniformity or compatibility in significant components of state tax systems” is one of the purposes of the Multistate Tax Compact. The following information is provided on the Commission’s website:

  • Information on the Uniformity Committee and its charter 
  • A summary of the uniformity project development process
  • Adopted model statutes and regulations
  • Detail on current and recent uniformity projects
  • Information on the work of the Standing Subcommittee on new projects