You may get help with questions about tax-exempt organizations and tax-exempt status from the IRS Exempt Organizations Division (IRS.gov/eo): IRS TE/GE Customer Service You may direct technical and procedural questions concerning charities and other nonprofit organizations, including questions about your tax-exempt status and tax liability, to the IRS Tax Exempt and Government Entities Customer Account Services at 877-829-5500 (toll-free number). If you prefer to write, you may write us at: Internal Revenue Service Exempt Organizations Determinations P.O. Box 2508 Cincinnati, OH 45201 You may also contact the Taxpayer Advocate Service, an independent organization within the IRS that helps taxpayers resolve problems with the IRS and recommends changes that will prevent problems. Publications and Other Resources You may also obtain help from the following IRS publications and other resources: Publication 4220, Applying for 501(c)(3) Tax-Exempt StatusPDF Publication 4221-PC, Compliance Guide for 501(c)(3) Public CharitiesPDF Publication 4221-PF, Compliance Guide for 501(c)(3) Private FoundationsPDF Publication 4221-NC, Compliance Guide for Tax-Exempt Organizations (Other than 501(c)(3) Public Charities and Private Foundations)PDF Publication 557, Tax-Exempt Status for Your OrganizationPDF Publication 598, Tax on Unrelated Business Income of Exempt OrganizationsPDF
