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When: September 18–20, 2017
Where: Oak Brook, IL
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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. Great opportunity to network with your Houston and surrounding area state and local tax peers.

When: November 3, 2017
Where: Houston, TX
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Presenting an update on significant state tax issues with an emphasis on the Mid-West States: Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Minnesota, Missouri, Ohio and Wisconsin. Great opportunity to network with your Overland Park and surrounding area state and local tax peers.

When: November 7, 2017
Where: Overland Park, KS
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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. Great opportunity to network with your Boise and surrounding area state and local tax peers.

When: November 10, 2017
Where: Boise, ID
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Presenting an update on significant state tax issues for the Southeast States: Alabama, Arkansas, Florida, Georgia, Mississippi, North Carolina, South Carolina and Tennessee. Great opportunity to network with your Memphis and surrounding area state and local tax peers.

When: November 15, 2017
Where: Memphis, TN
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Presenting an update on significant state tax legislation, litigation and trends including the state tax implications of federal tax reform. Leading U.S. state tax practitioners will help you understand the current state tax environment in the U.S. Great opportunity to network with Toronto and surrounding area tax professionals.

When: November 30, 2017
Where: Toronto, ON
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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. Great opportunity to network with your Seattle and surrounding area state and local tax peers.

When: December 7, 2017
Where: Redmond, WA
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Presenting an update on significant state tax issues for the Southeast States: Alabama, Florida, Georgia, North Carolina, South Carolina and Tennessee. Great opportunity to network with your Atlanta and surrounding area state and local tax peers.

When: December 12, 2017
Where: Atlanta, GA
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Presenting an update on significant state tax issues for the North Atlantic States: Connecticut, Delaware, District of Columbia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island and Vermont. Great opportunity to network with your Hartford and surrounding area state and local tax peers.

When: December 14, 2017
Where: New Britain, CT
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This 5 day school will provide an excellent education opportunity for state tax professionals to significantly upgrade their knowledge base. The School incorporates separate modules covering income tax theory, sales tax theory (newly enhanced and upgraded for 2018), and income tax and sales tax compliance. The School is targeted to tax professionals with 0-3 years of state tax experience, and is open to COST industry members, non-COST industry members and members of practitioner... Details
When: January 21–26, 2018
Where: Austin, TX
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At this 2.5 day conference, leading transaction tax experts will cover topics such as Tax Operations, Unclaimed Property, Mergers & Acquisitions, B2B and more. This conference also includes the exclusive COST member only audit sessions on hot transaction tax topics and audit issues. This program is open to industry tax professionals from COST industry member companies only who seek the latest updates on significant transaction tax issues and trends. Preliminary Agenda - Coming... Details
When: February 26 – March 1, 2018
Where: New Orleans, LA
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This 2.5 day program offers presentations on current income and franchise tax issues. It is COST's primary audit session, where current audit information on all 50 states (and also Canada and Puerto Rico) is shared among the membership. The Conference is targeted to Income and Franchise Tax professionals at all levels of experience. Although state income taxes will be the primary focus, state audits of all types types and issues will be discussed during the extensive participatory... Details
When: April 17–20, 2018
Where: Boston, MA
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The COST 2018 Intermediate/Advanced Sales & Use 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. 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 students to the theoretical... Details
When: May 20–24, 2018
Where: Atlanta, GA
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The COST 2018 Intermediate/Advanced State Income Tax 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. 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 students to the theoretical knowledge ... Details
When: May 20–24, 2018
Where: Atlanta, GA
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The 2½ day program will cover all types of state and local taxes that business taxpayers are confronted with today. In addition to the ever popular audit sessions and chamber of commerce roundtables, conference topics will range from income/franchise, property and sales & use taxes to payroll & employment tax and unclaimed property issues.

When: October 23–26, 2018
Where: Phoenix, AZ