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.

57th Annual Meeting Week

July 29 – August 1, 2024
The Annual Seminar, Attorney Training session, Litigation Committee, Audit Committee, Nexus Committee, Uniformity Committee, Annual Business Meeting, Strategic Planning Committee, and Executive Committee will be meeting in Denver, Colorado.

National Nexus Program

Visit the National Nexus Program page for more information.

Uniformity Projects

View our current and most recent projects.

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This is the Multistate Tax Commission's online hub for information about programs, projects, events, training, and other state tax resources.  Click here, If you would like to be added to the Commission's public notice email list. 

News & Information

TCJA Effects on State Taxes

In this article recently published in Tax Notes State, MTC Senior Counsel Bruce Fort argues that the states need to re-evaluate their policies regarding conformity to the TCJA to ensure that domestic and multinational companies are being taxed on an equal basis....

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MTC Letter to California OTA on Microsoft Case

On May 23, 2024, MTC Executive Director Greg Matson submitted a letter asking the OTA not to make their ruling precedential and explaining that the MTC agrees with the FTB that the result does not fairly reflect California’s share of Microsoft’s income.  View...

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NGA Releases Guiding Principles on Federal Tax Reform

The National Governors Association (NGA) released Guiding Principles on Federal Tax Reform on March 13, 2013, in preparation for comprehensive federal tax reform in the 113th Congress. NGA had earlier formed a task force to develop concrete suggestions for federal...

MTC New Uniformity Model – Partnership Project

At a special Commission meeting on January 24th, 2019, the Multistate Tax Commission adopted the Model Uniform Statute for Reporting Adjustments to Federal Taxable Income and Federal Partnership Audit Adjustments as a uniformity recommendation to the states. More...

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