Tenn. Code Ann. § 3-3-110

Any person who, after having been served with a subpoena to appear as provided in § 3-3-109, fails to appear and makes willful default in that regard, or who, having appeared, willfully refuses to answer any question, propounded by any member of the committee or any legal counsel of such committee acting in its presence and by its permission, pertinent to the matter under investigation, or willfully refuses to produce any papers, documents, records, or other items of evidence, deemed to be material by any such body or committee, in any such pending inquiry or investigation, commits contempt in impeding the progress of such investigation and the proper functioning of such body or committee then engaged in such investigation.