( A-E) | ( F-J) | (K-O) | (P-T) | (U-Z) K L Labor Organizations - 501(c)(5) Life cycles of an exempt organization See Public Charities - 501(c)(3) See Private Foundations - 501(c)(3) See Social Welfare Organizations - 501(c)(4) See Labor Organizations - 501(c)(5) See Agricultural Organizations - 501(c)(5) See Business League or Trade Association - 501(c)(6) Lobbying and 501(c)(3) organizations Pub.1828, Tax Guide for Churches and Religious OrganizationsPDF See also compliance guides Lobbying - Business leagues Nondeductible lobbying and political expenditures of 501(c)(4), (5), and (6) organizations M Medical resident FICA Membership of labor organizations Membership of 501(c)(6) business leagues/trade associations Membership and income of social clubs N Newsletter see EO update Non-cash contributions Pub. 561, Determining the Value of Donated PropertyPDF, see also Vehicle Donations See also Charitable Contributions Nonfiler revocation, automatic O Organizing documents Public charities Private foundations 501(c)(4), (5), and (6) organizations Other non-profits, information for ( A-E) | ( F-J) | (K-O) | (P-T) | (U-Z) Charities & non-profits topics A-Z Index Educational Resources and Guidance Publications Audit Process Contact IRS exempt organizations About Us
