books background

Newsletters & Media

Cost Conscious

ISSUE 25-04; February 20, 2026

5% Disclosures: Ready or Not? As public companies begin adopting FASB’s new income tax disclosure standard (ASU 2023‑09), which requires significantly expanded transparency into effective tax rate drivers and jurisdiction‑level reporting of cash taxes paid, including states, how prepared is your organization to comply with these new requirements and manage the potential state tax implications?

Featured Resources

COST - Council on State Taxation

Amicus Briefs

Delta Airlines v. Oregon Department of Revenue

Amicus filed in support of a Petition for Certiorari The case concerns an adverse decision by the Oregon Supreme Court that upheld the disparate treatment of Oregon businesses subject to central assessment for property tax purposes. Centrally assessed businesses are required to include intangible property in the property tax base. By contrast locally assessed business exclude intangible property

COST - Council on State Taxation

COST Studies, Articles & Reports

FY24 State And Local Business Tax Burden Study

The Council On State Taxation (COST) and the State Tax Research Institute (STRI) are pleased to announce the release of our 23rd annual study of state and local business taxes. The report, “Total State and Local Business Taxes: State-by-State Estimates for Fiscal Year 2024,” prepared by Ernst & Young LLP, shows all state and local business taxes paid in each of the 50 states and the District of Co

COST - Council on State Taxation

COST Comments & Testimony

Testimony to TN Senate Education Committee in Opposition to Data Privilege Transaction Tax in S.B. 2512

On March 4, COST submitted a letter to the Tennessee Senate Education Committee urging the removal of the proposed data transaction privilege tax in SB 2512. While we support the goal of expanding early childhood education, this tax would create significant compliance burdens and undermine sound state tax policy.