O.C.G.A. § 42-8-116.1 (2019)

Any other or former provision of this article notwithstanding: (1) The failure to install an ignition interlock device pursuant to

an order of probation granted on or after May 1, 1999, but prior to May 1, 2000, shall not be ground for suspension or revocation of driving privileges, revocation of probation, refusal to issue a probationary driver’s license, or refusal to reinstate a driver’s license for the person granted such probation unless the order granting such probation unequivocally conditioned probation upon the installation of an ignition interlock device; and (2) In the case of any person who had installed and maintained an ignition interlock device in a motor vehicle for a period of six months pursuant to any order of probation granted on or after May 1, 1999, but prior to May 1, 2000, any lack of certification of such ignition interlock device or of the provider center for such device or lack of a limited driving permit for the period of use of such device shall not be ground for suspension or revocation of driving privileges, revocation of probation, refusal to issue a probationary driver’s license, or refusal to reinstate a driver’s license for the person subject to such order if such installation and the monitoring required by this article for the required period of maintenance is confirmed in writing by the provider center for such device.