IRS says affiliated not-for-profits can share their for-profit services.
Burda
D
D
D006755:Hospital Shared Services / Q000331:legislation & jurisprudence*; D006788:Hospitals, Voluntary / Q000331:legislation & jurisprudence*; D009935:Organizational Affiliation / Q000331:legislation & jurisprudence*; D013660:Taxes / Q000331:legislation & jurisprudence*; D014481:United States