No person shall interfere with or obstruct in any way any police officer or other officer or employee of this city in their enforcement of the provisions of this chapter. The removal, obliteration or concealment of any chalk mark or other distinguishing mark used by any police officer or other employee or officer of this city in connection with the enforcement of the parking regulations of this chapter shall, if done for the purpose of evading the provisions of this chapter, constitute such interference or obstruction. (Prior code § 3002(e))