Quasi-public entities using private funds still require congressional authorization.

Evidence

Tushnet misunderstands this profoundly and seems to think that my point was that it is unconstitutional for quasi-private entities to use public funds, when in fact my point was that it is unconstitutional for quasi-public entities to use private funds without congressional authorization. — Philip Chase Bobbitt, Reflections Inspired by My Critics, 627

Categorization

• DEFINE: Distinguishes the constitutional principle governing quasi-public versus quasi-private entities’ use of funds.