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... After your organization submits an application for 501(c)(3) tax-exempt status, the IRS will respond ... The letter will provide the reasons why your nonprofit does not meet the 501(c)(3) requirements, and ... (3) status. ... (3), or that they do not have enough information, they will issue you an adverse determination letter ... In the letter, the IRS will explain the reasons why you do not meet the requirements for a 501(c)(3) ... What Is the 501(c)(3) Determination Letter? ...