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Newsletters & Media

Cost Conscious

ISSE 26-21; October 16, 2026

During which part of the year are you most focused on earning CPE/CLE credits? COST strives to provide timely, high-quality educational programming that helps our members meet their professional development and licensing requirements. To better understand our members' CPE/CLE needs and plan future credit-eligible programs, please tell us when you are typically most focused on earning continuing ed

Featured Resources

COST - Council on State Taxation

Amicus Briefs

Pfizer, Inc. v. Alabama Department of Revenue

COST’s motion to file an amicus brief in Pfizer, Inc. v. Alabama DOR if the Alabama Supreme Court grants Pfizer’s Petition for a Writ of Certiorari. The case is about Alabama’s addback statute and disallowance of corporate income tax deductions for interest and royalty payments to foreign affiliates.

COST - Council on State Taxation

COST Studies, Articles & Reports

2026 State and Local Amnesty Programs

Tracker of most state and local tax amnesty programs enacted and conducted in 2026.

COST - Council on State Taxation

COST Comments & Testimony

Joint Letter re. Proposed Rules Implementing the Digital Asset Tax Act

On October 30, 2026, COST signed onto a joint letter with the Taxpayers’ Federation of Illinois and the Illinois Bankers Association, submitted to the Illinois Department of Revenue in response to its proposed rules implementing the Illinois Digital Asset Tax Act.