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On December 9, the U.S. Supreme Court heard oral arguments in the last of three state and local tax cases that it accepted this term – Alabama Department of Revenue v. CSX Transportation, Inc. (CSX II), a case that had previously been before the Supreme Court. CSX Transportation

On Wednesday, November 12, 2014 the United States Supreme Court heard oral arguments in Comptroller of Maryland v. Wynne.  The case turns on whether Maryland’s personal income tax system violates the dormant Commerce Clause of the United States Constitution because of Maryland’s failure to provide a credit for taxes paid to other states.  The case

By Kathryn Pittman and Andrew Appleby

A Colorado state district court issued a preliminary injunction preventing the Colorado Department of Revenue from enforcing Colorado’s out-of-state seller use tax reporting statutes and related regulations. These rules require out-of-state sellers that do not collect Colorado sales tax to notify their Colorado purchasers—and the Department—of the amount of

By Saabir Kapoor and Andrew Appleby

After the U.S. Court of Appeals for the Tenth Circuit denied an en banc rehearing on October 1, 2013, the Direct Marketing Association (DMA) is expected to bring suit in Colorado District Court to challenge the constitutionality of the Colorado law that requires out-of-state retailers without a physical presence

By Madison Barnett and Timothy Gustafson

In a case involving the exclusion of captive insurance companies from combined reporting groups, the Indiana Tax Court held that a captive must be physically present in Indiana to be “subject to” the insurance premiums tax and therefore exempt from the corporate income tax. The Tax Court initially

By Todd Betor and Pilar Mata

Oregon’s $29 million corporate excise tax claim against the taxpayers’ parent company was held to violate both the Due Process and Commerce Clauses of the U.S. Constitution by the U.S. Bankruptcy Court for the District of Delaware. Oregon claimed that Washington Mutual, Inc. (WMI) was liable for its subsidiaries’

By Mary Alexander and Prentiss Willson

The disallowance of a credit for income taxes paid to other states against Maryland’s county income tax was ruled unconstitutional as a violation of the dormant Commerce Clause by the Court of Appeals of Maryland. Maryland’s income tax, which includes both state and county components, is imposed on all