(a) Any person convicted of a second or subsequent violation of Code Section 40-6-10 within a five-year period, as measured from date of arrest to date of arrest, shall be required to file with the Department of Driver Services and maintain for a period of three years from the date of conviction proof of financial responsibility, as such term is defined in paragraph (5) of Code Section 40-9-2, in addition to any other punishment.
(b) If the proof of financial responsibility filed in accordance with subsection (a) of this Code section is based upon a policy issued by an insurance company, such insurer may not cancel the policy until the Department of Driver Services is given at least 30 days' prior written notice of such cancellation.