COST - Council on State Taxation Amicus Briefs Amazon Services LLC v. Department of Revenue On November 19 COST filed a motion for leave to file an amicus brief at the South Carolina Supreme Court in support of Amazon Services LLC. Amazon Services LLC v. Department of Revenue. The Court of Appeals held that the Amazon. Services was in the business of selling tangible personal property and thus responsible for collecting and remitting sales tax on third-party sales made from the Amazon m
COST - Council on State Taxation COST Studies, Articles & Reports 2025 State and Local Amnesty Programs Tracker of most state and local tax amnesty programs enacted and conducted in 2025.
COST - Council on State Taxation COST Comments & Testimony Coalition Letter in Opposition to Digital Advertising Tax – H.B. 4142 COST joined a coalition letter coordinated by the Mackinac Center for Public Policy in opposition to Michigan House Bill 4142 that would impose a new sliding scale tax on revenue derived from digital advertising.
