If any person is (i) believed by the arresting officer to have committed a felony or (ii) believed by the arresting officer to be likely to disregard a summons issued under § 46.2-936, the arresting officer shall promptly take him before a magistrate or other issuing authority having jurisdiction and proceed in accordance with the provisions of § 19.2-82. The magistrate or other authority may issue either a summons or warrant as he shall determine proper.