Upcoming National Meeting

49th Annual Meeting

2 ½ day program offering sessions for every state tax and government affairs professional with tax responsibilities. The meeting presents an extensive program covering all types of state and local taxes that business taxpayers are confronted with today. The ever-popular audit sessions and state chamber of commerce roundtables are included, and other conference sessions provide updates on key SAL

books background

Newsletters & Media

Cost Conscious

ISSUE 18-15; July 20, 2018

Post-Wayfair Implementation – Since the U.S. Supreme Court issued its decision in South Dakota v. Wayfair on June 21, states have been reviewing their current laws, considering additional legislation and regulations, and proceeding toward implementation of remote seller collection. As expected, the states have not been proceeding in a uniform manner. COST is contacting states where appropriate to


Bloomberg BNA

The Bloomberg news feed is currently down.


Check back soon for the latest Bloomberg news.

Featured Resources

COST - Council on State Taxation

Amicus Briefs

Nextel Communications v. Commonwealth of Pennsylvania

COST filed an amicus brief in support of the Petitioner, Nextel Communications, asking the U.S. Supreme Court to grant review of a Supreme Court of Pennsylvania decision that did not require the State to refund a portion of the tax paid by the Petitioner that violated the State’s Uniformity Clause provision. COST raised concerns with the Pennsylvania decision lacking due process and disregarding

COST - Council on State Taxation

COST Studies, Articles & Reports

2018 State and Local Amnesty Programs

This report tracks state and local tax amnesty programs by state for 2018.

COST - Council on State Taxation

COST Comments & Testimony

COST Comments on New York UBT Discussion Draft

COST provided comments in response to the New York Department of Taxation and Finance’s request for input regarding the Department’s Bill Discussion Draft for an Unincorporated Business Tax (UBT).