A. Without lawful excuse shall refuse or knowingly fail to make or furnish any statement, report or information lawfully required of him by a public officer; or

B. In any such statements or reports shall make any knowingly untrue statement to a public officer; or

C. Shall knowingly hinder, delay or obstruct any public officer in the discharge of his official powers or duties; shall be guilty of a misdemeanor. (Ord. 861 § 7, 1976)