On February 28, 2020, the Oregon Tax Court held that multiple airlines operating as a unitary business should aggregate not only transportation revenue but also other metrics, such as departure ratios, that are factored into the apportionment formula used by Oregon for airline taxpayers. Oregon regulations provide a modified single sales factor apportionment rule for

By Zack Atkins and Eric Coffill

The Illinois Supreme Court invalidated a Chicago ruling obligating suburban car rental companies to collect Chicago’s personal property lease transaction tax on rental transactions occurring outside the city on the grounds that it violated the Illinois Constitution. The ruling, which the City of Chicago Department of Revenue issued in

By Stephen Burroughs and Tim Gustafson

The Massachusetts Supreme Judicial Court denied a freight company’s Commerce Clause challenge to the application of an unapportioned use tax on its vehicles purchased out-of-state but used in Massachusetts. The company used its trucks to deliver freight in multiple states, but the court upheld taxation of the vehicles’ full

By Mike Penza and Madison Barnett

The New York Supreme Court, Albany County, held that New York’s unapportioned vehicle registration fees violated the Commerce Clause. The court found that the flat fees—imposed on all carriers operating motor vehicles in New York—were indistinguishable from those struck down by the U.S. Supreme Court in American Trucking Ass’ns.