Driver license will be revoked for 5 years. After 1 year from the effective date of revocation, the subject may request a hardship license. Contact the Administrative Reviews Office where you live. Advanced Driver Improvement (ADI) School will be required unless alcohol was involved, then a Driving Under the Influence (DUI) school will be required. If the HTO revocation has expired, a Florida resident must still obtain authority to restore through the Administrative Reviews Office where you live.