This law school casebook contains the most recent cases dealing with such issues as jurisdiction to tax out-of-state corporations, taxation of electric-power generating capacity and contaminated property, use tax collection responsibilities, and multiple and discriminatory taxation of nonresidents. In addition, this edition focuses on the rapidly expanding issues raised by state taxation of electronic commerce. It also includes the latest U.S. Supreme Court cases of general significance, as well as a section devoted to fundamental sales tax reform reflected in the states’ Streamlined Sales Tax Project.