On May 31, 2016, the Washington Department of Revenue (DOR) Appeals Division released a Determination (No. 15-0251, 35 WTD 230) denying a German pharmaceutical company’s business and occupation tax (B&O) protest. The administrative law judge (ALJ) ruled that while the nondiscrimination provisions contained in Article 24 of the US-Germany Income tax Treaty (Treaty) “may apply,” the B&O does not discriminate against non-US businesses because it is imposed on any business deriving royalty income from Washington sources and applies equally to foreign and US companies. The ALJ also found that the company could avoid double taxation of the royalty income by excluding income taxed by Washington from its German tax base. While the company also challenged the constitutionality of the 2010 B&O economic nexus law, the ALJ declined to entertain it—citing a lack of authority to rule on the constitutionality of Washington statutes.
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Actually, there are really only two issues, but they are big issues.

Arizona’s Transaction Privilege Tax has always been an anomaly in the traditional state sales tax system.  Contrary to some commentators, however, the recent amendments do not, and could not, impose an origin tax on Arizona retailers for remote sales delivered out-of-state.  That is

The Supreme Court granted the petition for certiorari filed by the Maryland Comptroller of Treasury in Comptroller v. Wynne, Dkt. No. 13-485 (U.S. Sup. Ct., cert. granted May 27, 2014).  The central issue in Wynne is whether a state must allow its residents a credit for income taxes paid to other states, in a