The IRS publishes Practice Units (“PUs”) (formerly "International" Practice Units) on its website. PUs provide IRS staff with explanations of general tax concepts, as well as information about specific types of transactions. These PUs discuss many U.S. international tax issues that are applicable to businesses. The IRS website does not categorize them by topic therefore it can be difficult to find PUs on a particular topic. Our page Practice Units by Topic categorizes the PUs... Read more →