International Tax Research and Compliance Expert International Tax Research and Compliance Expert gives you all the content and tools you need to put your tax research into action, including a global tax treaty database, detailed country analysis, advanced tax rate look-up tables, a cross-border tax calculator, a withholding tax optimizer, and planning tools that help you structure transactions that minimize taxes and calculate the net cost of projected transactions. It also provides an interactive tax calendar, compliance checklists, an interest and penalty calculator, and translated tax forms for over 90 countries.