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 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 Testimony in Support of H.B. 620 - Centralized Sales Tax Administration COST submitted testimony in support of Louisiana H.B. 620, which would allow voters to amend Louisiana’s Constitution to authorize the State’s Legislature to provide for centralized collection of state and local sales taxes.