58th Annual Meeting
Omni San Diego Hotel at the Ballpark
San Diego, California
September 21 - 24, 2027
COST’s Annual Meeting offers sessions for every state tax and government affairs professional with tax responsibilities. The Meeting has an extensive program covering all of the timely state and local tax issues that business taxpayers are confronted with on a daily basis. The ever-popular audit sessions and state chamber of commerce roundtables are included providing insight on state tax trends and opportunities. COST’s Annual Meeting is targeted to all SALT types and levels of experience.