§ 215.60 Criminal contempt of the legislature. A person is guilty of criminal contempt of the legislature when, having been duly subpoenaed to attend as a witness before either house of the legislature or before any committee thereof, he: 1. Fails or refuses to attend without lawful excuse; or 2. Refuses to be sworn; or 3. Refuses to answer any material and proper question; or 4. Refuses, after reasonable notice, to produce books, papers, or documents in his possession or under his control which constitute material and proper evidence. Criminal contempt of the legislature is a class A misdemeanor.