Any witness who refuses to be sworn, or who refuses to appear to testify, or who disobeys any lawful order of the Fire Chief, or who fails or refuses to produce any book, paper, material or document touching any matter under examination, or who is guilty of any contemptuous conduct during any of the proceedings of the Fire Chief, in the matter of such investigation or inquiry, after being summoned to give testimony in relation to any matter under investigation, shall be deemed guilty of a misdemeanor.
(Code 1943, Art. 20-8)