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welcome to cost

The Council On State Taxation (COST) is the premier state tax organization representing taxpayers.  COST is a nonprofit trade association consisting of more than 600 multistate corporations engaged in interstate and international business.  COST's objective is to preserve and promote equitable and nondiscriminatory state and local taxation of multijurisdictional business entities.


featured news

Update on Mobile Workforce State Income Tax Simplification Act

A hearing was held on June 2 before a House Judiciary Subcommittee re: HR 2315. COST's Doug Lindholm testified on behalf of the 275-member Mobile Workforce Coalition in favor of the Mobile Workforce State Income Tax Simplification Act of 2015. 


COST Seeks West Coast Tax Counsel

COST is searching for a West Coast Tax Counsel.  If you are interested or know of a candidate, please click here for more information.