Donald V Moorehead is a senior tax partner in the Washington DC office of the international law firm of Squire Patton Boggs. He advises on a broad range of cross-border transactional tax issues and US federal tax legislative and regulatory policy issues. He has also served as chief Republican counsel to the Committee on Finance of the United States Senate and as general counsel of a US based multinational corporation. Email: donald.moorehead@squirepb.com; tel: + 202 457 5212.