(a) A person commits obstructing governmental operations if he or she intentionally obstructs, impairs or hinders the performance of a governmental function by a public servant by using, or threatening to use, violence, force or physical interference or obstacle.

(b) It is an affirmative defense that the obstruction, impairment or hindrance was of unlawful action by a public servant, was of making an arrest or was by lawful activities in connection with a labor dispute with the government. (Prior code 9.04.030; Ord. 1288 §1, 2008)