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When: September 29 – October 1, 2021
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This program (both in-person and virtual) is open to industry tax professionals from both COST Member and Non-COST Member Companies. CLE/CPE will be available to each registered individual. Please note – the In-Person Meeting will contain more sessions than the Virtual Webinar.  This program is for someone with all levels of state and local tax experience. No advance preparation is needed. The goal of this program is to provide a program both in-person and virtual which will cover... Details
When: October 17–20, 2021
Where: Las Vegas, NV
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Presenting an update on significant state tax issues for the Mid-Atlantic States: Connecticut, Delaware, District of Columbia, Maryland, New Jersey, New York, Pennsylvania, Virginia and West Virginia.

When: November 3, 2021
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Presenting an update on significant state tax issues for the Southeast States: Alabama, Florida, Georgia, Mississippi, North Carolina, South Carolina and Tennessee.

When: November 11, 2021
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Presenting an update on significant state tax issues for the Southwest/West States: Colorado, Kansas, Louisiana, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, South Dakota, Texas and Wyoming.

When: November 16, 2021
Where: Houston, TX
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Presenting an update on significant state tax issues for California, the Pacific Northwest States & Certain Other Significant States Around the Country.

When: December 2, 2021
Where: Bellevue, WA
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The COST 2021 Intermediate/Advanced Income Tax School offers a complete meeting package (room and board included) and four days of intensive and entertaining instruction in income tax concepts and issues. The ideal attendee should have more than 3 years of experience in the subject area they are attending. The emphasis of the school is on practical applications of state tax issues in a corporate environment. The courses are taught using the case-study method and are intended to... Details
When: December 5–9, 2021
Where: Atlanta, GA
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The COST 2021 Intermediate/Advanced Sales Tax School offers a complete meeting package (room and board included) and four days of intensive and entertaining instruction in sales tax concepts and issues. The ideal attendee should have more than 3 years of experience in the subject area they are attending. The emphasis of the school is on practical applications of state tax issues in a corporate environment. The courses are taught using the case-study method and are intended to expose... Details
When: December 5–9, 2021
Where: Atlanta, GA
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The COST SALT Basics School is a great educational opportunity for tax professionals with 0 – 3 years of experience; tax professionals transitioning between transactional and income taxes and vice versa; and or tax professionals who may have been out of the “tax world” and want a refresher. It incorporates separate modules covering income tax theory, sales tax theory, income tax compliance and sales tax compliance. No prerequisites... Details
When: December 5–10, 2021
Where: Atlanta, GA
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Presenting an update on significant state tax issues for the Mid-West States: Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Minnesota, Missouri, Ohio and Wisconsin.

When: December 16, 2021
Where: Minneapolis, MN
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The COST 2021 Intermediate/Advanced Sales Tax School offers a complete meeting package (room and board included) and four days of intensive and entertaining instruction in sales tax concepts and issues. The ideal attendee should have more than 3 years of experience in the subject area they are attending. The emphasis of the school is on practical applications of state tax issues in a corporate environment. The courses are taught using the case-study method and are intended to expose... Details
When: May 15–20, 2022
Where: Atlanta, GA