(a) In the event the sentencing court finds that a person has violated the terms of probation imposed pursuant to subsection (a) of Code Section 42-8-111, the Department of Public Safety shall revoke that person's driving privilege for one year from the date the court revokes that person's probation. The court shall report such probation revocation to the Department of Public Safety by court order.

(b) In the event the sentencing court finds that a person has twice violated the terms of probation imposed pursuant to subsection (a) of Code Section 42-8-111 during the same period of probation, the Department of Public Safety shall revoke that person's driving privilege for five years from the date the court revokes that person's probation for a second time. The court shall report such probation revocation to the Department of Public Safety by court order.