IRS private letter ruling addresses effect of ancillary joint ventures on an entity's tax exempt status.
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D000720:Ancillary Services, Hospital / Q000191:economics* / Q000331:legislation & jurisprudence; D006759:Hospital-Physician Joint Ventures / Q000331:legislation & jurisprudence*; D017149:Private Sector; D019464:Tax Exemption / Q000331:legislation & jurisprudence*; D014481:United States