Upcoming COST Events California Sales Tax & Other Transactional Taxes Webinar February 12, 2026 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
Upcoming Non-COST Events Morgan Lewis: Sirius and SECA: What Changes, What Doesn’t, and What Comes Next February 10, 2026 Greenberg: GeT SALTy Q1 Quarterly SALT Legislative and Litigation Update February 11, 2026 Eversheds: A closer look: Examining the OECD’s Pillar Two Side by Side Package February 11, 2026 PwC: Q1 2026 Sustainability Webcast February 12, 2026 EY: Center for Tax Policy Monthly Update - February 2026 February 13, 2026 State Tax Law: Managing A State & Local Tax Audit 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
