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Events

COST offers its members high quality education, including conferences, schools, regional meetings, live webinars and special symposia, featuring the hottest topics, delivered by the nation's most recognized experts, at a price well below comparable programs.  In addition, COST highlights state tax events hosted by Practitioner Partners.

Upcoming COST Events

  • 2025 Spring Conference / Audit Session

    April 28, 2025

  • 2025 Intermediate/Advanced State Income Tax School

    May 18, 2025

  • 2025 Intermediate/Advanced Sales & Use Tax School

    May 18, 2025

  • 2025 SALT Basics School

    May 18, 2025

  • 56th Annual Meeting

    September 16, 2025

View All COST Events

Upcoming Non-COST Events

  • Sales Tax Institute/YETTER: Sales Tax in the Southwest Region: Keeping It Clear in the Sunbelt

    January 29, 2025

  • Sales Tax Institute/YETTER: Software, Digital Goods, and Related Services: What You Need to Know for Sales Tax

    February 27, 2025

  • Sales Tax Institute/YETTER: Minimize Tax Risks: Your Guide to Voluntary Disclosure Options

    March 27, 2025

View All NON COST Events

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Have an event you would like included on the Non-COST Events listing?  Submit the details today at no charge.

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Sponsorship Opportunities

COST Events offer a variety of sponsorship opportunities.  

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