Tenn. Code Ann. § 48-101-606: Powers - Professional services

(a) Except as provided in subsection (b), a professional corporation has the powers enumerated in chapter 13 of this title.

(b) A professional corporation may be a promoter, general partner, member, associate or manager of a partnership, joint venture, trust or other entity only if the entity is engaged solely in rendering professional services or in carrying on business authorized by the professional corporation's charter.