State Chambers of Commerce are the leading voice of business in our states.

The Council of State Chambers (COSC) is the national organization for state chamber CEOs and their executive leadership. The purpose of COSC is to promote cooperation among state chambers of commerce, strengthen existing state chambers, and promote the extensions of the state chamber of commerce movement throughout the country.


COSC Files Gillette Amicus Brief
On June 30, 2016, the Council of State Chambers filed our petition for certiorari to the U.S. Supreme Court in Gillette v. California Franchise Tax Board. In the brief, COSC argues that the potential for a state to fail to uphold the provisions of a binding compact, or to impose retroactive changes in the law to pretend that membership in a compact never existed, injects an element of uncertainty in every business transaction that occurs in our nation. And If the decision of the lower court is left to stand, this instability will increase as additional states seek to pretend that their obligations under a myriad of multistate compacts never existed.

Read more here.  

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