Upcoming COST Events Nashville, TN - Southeast Regional State Tax Seminar February 26, 2026 2026 SALT In A Digital World Workshop March 02, 2026 Omaha, NE - Mid-West Regional State Tax Seminar March 31, 2026 2026 Spring Conference / Audit Session April 20, 2026 2026 Intermediate/Advanced State Income Tax School May 17, 2026 2026 Intermediate/Advanced Sales & Use Tax School May 17, 2026 2026 SALT Basics School May 17, 2026 57th Annual Meeting September 22, 2026
Upcoming Non-COST Events State Tax Law: Managing A State & Local Tax Audit February 17, 2026 Deloitte: Tax News & Views - Section 174A Considerations February 17, 2026 PwC: Q1 2026 Sustainability Webcast February 18, 2026 Grant Thornton: Global Tax Reform: Pillar Two And What Comes Next February 18, 2026 Sales Tax Institute/YETTER: Advanced Sales and Use Tax Workshop 2026 February 23, 2026 Greenberg: Key Money, Key Issues: What the California Supreme Court Just Unlocked February 24, 2026 Eversheds: Watching the SALT Scoreboard: A Review Of The Important 2025 State Tax Cases February 26, 2026 Crowe: Hot Topics in Tax for Mergers and Acquisitions March 03, 2026