(3) Such person shall participate in a substance abuse treatment program as defined in paragraph (16.2) of Code Section 40-5-1, a drug court division in compliance with Code Section 15-1-15, a mental health court division in compliance with Code Section 15-1-16, a veterans court division in compliance with Code Section 15-1-17, or an operating under the influence court division in compliance with Code Section 15-1-19 for a period of not less than 120 days. For the purposes of this subsection, a plea of nolo contendere shall constitute a conviction; and a conviction of any offense under the laws of any other state or territory of the United States which, if committed in this state, would be a violation of Code Section 40-6-391 shall be deemed a conviction of violating such Code section.