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 Grant Thornton: Finance Benchmarking In The AI Era: Where Do You stand? October 28, 2026 Mayer Brown: Beyond the Subpoena: What Companies Need to Know About the Next Era of Congressional Investigations October 29, 2026 CTC: 72nd Annual Fall Seminar October 29, 2026 Avalara: State of Finance 2026: Modernizing Tax Operations October 29, 2026 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
