Upcoming COST Events 2026 Spring Conference / Audit Session April 20, 2026 Columbus, OH - Mid-West Regional State Tax Seminar May 05, 2026 Chicago, IL - Mid-West Regional State Tax Seminar Being Held Jointly With The Chicago Tax Club May 06, 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 Short Hills, NJ - State and Local Taxation Primer/Refresher June 02, 2026 Short Hills, NJ - Mid-Atlantic Regional State Tax Seminar June 03, 2026
Upcoming Non-COST Events PwC: Tax Readiness — Evolving to an AI-powered tax operating model April 09, 2026 EY: EY Center for Tax Policy monthly update - April 2026 April 10, 2026 EY: US Corporate Income Tax Compliance - 2026 April 22, 2026 IPTI Annual Corporate Property Tax Workshop April 28, 2026 EY: Financial and Tax Guidance in the Age of AI: What Works, What’s Risky And What’s Next April 29, 2026 EY: Financial Services Tax And Finance Transformation In 2026 May 19, 2026 EY: Private equity & private capital quarterly tax update – Q2 2026 June 04, 2026
