Tennessee Authorized Service Centers
The State of Tennessee requires that the owner of businesses installing ignition interlock and the installers themselves do not have any felonies or alcohol related incidents. CST will preform these checks on any new location and/or installer. Please download the attached form and submit it along with your Service Center Agreement for approval.
Intoxalock® Ignition Interlock Owner Application
Intoxalock® Ignition Interlock Installer Application