Native American tribal governments (Federally recognized)Nonprofits having a 501(c)(3) status with the IRS, other than institutions of higher educationNonprofits that do not have a 501(c)(3) status with the IRS, other than institutions of higher educationNative American tribal organizations (other than Federally recognized tribal governments)Others (see text field entitled "Additional Information on Eligibility" for clarification)