COST 57th Annual Meeting

Zachary Atkins: State Efforts to Broaden the Sales Tax Base: Legislative Trends and Administrative Actions
Wednesday, September 23, 2026, 2:15 pm–3:10 pm

Carley Roberts: Dividing the Pie: Apportionment Challenges from Smithfield, Florida v. California and Others
Thursday, September 24, 2026, 9:05 am–10:00 am

Evan Hamme: Economic Substance and Business Purpose Doctrines in State Taxation
Thursday, September 24, 2026, 1:40 pm–2:35 pm 

This three-and-a-half-day Annual Meeting offers sessions for every state tax and government affairs professional with tax responsibilities. The meeting has an extensive program covering all types of state and local taxes that business taxpayers are confronted with on a daily basis.

For more information and to register, please visit the event page.