Sec. 15-4. Same—When arrested person to be taken before judicial officer.

If any person arrested for a violation of this chapter is (i) believed by the arresting officer to have committed a felony; or ii) is believed by the arresting officer to be likely to disregard a summons issued under section 15-3; or (iii) refuses to give a written promise to appear under section 15-3, the arresting officer shall take such person forthwith before a magistrate or other issuing authority having jurisdiction to determine whether or not probable cause exists that such person is likely to disregard a summons, and may issue either a summons or warrant, as is determined proper.