Any person who refuses to be sworn or who refuses to appear to testify or who disobeys any lawful order of the city council, the city manager, or any person or committee authorized by either or both of them, fails to file a motion to quash or otherwise demand a pre-compliance review of the subpoena in accordance with Section 2-8, or who fails or refuses to produce any book, paper, document, or instrument touching any matter under examination, or who is guilty of any contemptuous conduct during any of the proceedings of the city council, the city manager, or any person or committee authorized by either or both of them in the matter of such investigation or inquiry after being summoned to give or produce testimony in relation to any matter under investigation, is guilty of an offense. (Code 1941, Art. 22-2; Ord. Nos. 19963; 31533)