North America

Tax litigation in USA

Published by Lexology. Article by: Steptoe & Johnson LLP – Carina C. Federico, J. Walker Johnson and Robert J. Kovacev Competent courts Which courts have jurisdiction to hear tax disputesTax Disputes arise when there is a disagreement between taxpayers and tax authorities regarding the interpretation or application of tax laws. These disputes may concern various issues such as the accuracy […]

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International Taxation of E-commerce Business Income

Article by: Dr. Dennis Ndonga (Lecturer, Murdoch University Australia) The rapid growth of cross-border e-commerce has challenged the existing international tax principles that are structured around national boundaries and State sovereignty. Most tax regimes generally assert jurisdiction to tax business income based on the principles of residence-based and source-based taxation. The residence-based system imposes taxes

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Double Tax Treaties: An Introduction

Paper by: Reuven S. Avi-Yonah The existing network of over 2,500 bilateral double tax treaties (DTTs) represents an important part of international law. The current DTTs are all based on two models, the OECD and UN model DTTs, which in turn are based on models developed by the League of Nations between 1927 and 1946.

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GlaxoSmithKline vs Canada: Transfer Pricing Case

he GlaxoSmithKline transfer pricing case was a landmark decision in Canadian tax law. It involved GSK’s Canadian subsidiary and the Canada Revenue Agency (CRA). The dispute centered on the pricing of ranitidine, the active ingredient in the anti-ulcer drug Zantac.

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Xilinx Inc. v. Commissioner of Internal Revenue

The Xilinx Inc. case revolves around whether costs related to employee stock options (ESOs) should be included in the cost-sharing agreement (CSA) between Xilinx Inc. and its subsidiary Xilinx Ireland (XI) under U.S. tax regulations.

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