This document summarizes electronic resources for researching tax law as it relates to charitable nonprofits. It begins with broad resources like Google and FindLaw, then discusses narrower federal resources from the IRS website including forms, publications, and case law. Specific Michigan resources are also outlined, such as the Department of Treasury website containing state tax information for nonprofits. The document concludes that these free online resources provide a basic toolkit for nonprofit tax law research, and legal librarians can offer additional guidance.