This table describes three important types of non-profit organizations in terms of what political activities they are permitted. The description is divided into sections. First, how is each type of organization treated for tax purposes by the federal tax code? Second, what kind of lobbying activities can it engage in? Third, what kind of election-related activities can an organizational type participate in? Finally, the table gives examples of each type. Column three covers public charities also called 501(c)(3) organizations in reference to the section of the federal tax code that describes them. Column four describes social welfare or 501(c)(4) organizations. Column five describes political or 527 organizations.