Upcoming COST Events Illinois State and Local Tax Update Webinar November 05, 2026 Atlanta, GA - Southeast Regional State Tax Seminar December 02, 2026 Mid-Atlantic and Northeastern States Regional SALT Webinar December 08, 2026 SALT Year-End Tax Accounting Webinar December 09, 2026 SALT Year-End Ethics Webinar December 17, 2026 AI & Digital World: Implications for SALT March 01, 2027 2027 Spring Conference / Audit Session April 19, 2027 2027 Intermediate/Advanced State Income Tax School May 23, 2027
Upcoming Non-COST Events Deloitte: The Future Of Tax: What Leaders Need To Prepare For Now October 30, 2026 CLA: Year-End Tax Planning: Actions Before December 31 November 03, 2026 EY: Employer-Focused Tax Credit Insights November 04, 2026 PwC: Q4 2026 Quarterly Sustainability Webcast November 05, 2026 EY: 2026 US Election Impacts On State And Local Tax Policy November 05, 2026 BDO: 2026 Filing Season Recap: Unclaimed Property Compliance Lessons Learned November 10, 2026 Reed Smith: Post-Election Legislative and Tax Update November 10, 2026 PwC: Q4 2026 Quarterly Sustainability Webcast November 10, 2026