Federal tax law applies the following disclosure requirements to tax-exempt organizations (other than charitable organizations): Exemption applications and determination letters Annual returns (e.g., Forms 990) Dues used for nondeductible lobbying and political campaign activities Solicitation notice that contributions are not deductible for federal income tax purposes Return to Life Cycle of a Social Welfare Organization Return to Life Cycle of a Labor Organization Return to Life Cycle of an Agricultural or Horticultural Organization Return to Life Cycle of a Business League (Trade Association)