A 527 refers to a section of America's tax code that covers what a political organization can and cannot do. It also refers to the groups who
exploit meet the minimum requirements of the broadest interpretation of a reading of the code.
What U.S. Tax Code, TITLE 26, Subtitle A, CHAPTER 1, Subchapter F, PART VI, § 527 Actually Says
What § 527 Allows Lobbying Groups To Do
What § 527 Prevents Lobbying Groups From Doing