Noncharitable nonprofits include all tax-exempt organizations that are not charities: trade associations, social welfare organizations, labor unions, fraternal organizations, title-holding companies, VEBAs, and a variety of others. Whereas a public charity, which is classified under Internal Revenue Code Section 501(c)(3), is forbidden from engaging in politics and is limited in the amount of lobbying it can do, a noncharitable tax-exempt organization may engage in political activity and unlimited lobbying.LobbyingGenerally, lobbying is a communication designed to influence the passage or defeat of a piece of legislation:Bills, acts, resolutions, Constitutional amendments, and similar items being considered by a legislative body at the...