This article shall not apply to any student body organization not formed or operating pursuant to Article 1 (commencing with Section 89300) of Chapter 3 nor to any student or faculty society, social club, fraternity, or sorority, nor to any alumni association, whether officially recognized as a campus organization or not, unless it is described in Section 89901.
This section shall not be construed to alter or limit the powers of the trustees to establish rules and regulations governing organizations which maintain an official relationship with any campus of the California State University or which use the name or facilities of the campus.