Tenn. Code Ann. § 55-10-423

All documents, records, identifying information, monitoring data or results and other information recorded, collected, maintained, transmitted or stored by an ignition interlock provider about or concerning an interlock program participant is confidential and not available for public inspection. All such information shall retain its confidentiality when it is transmitted, electronically or otherwise, maintained and stored, examined or used by a monitoring authority. Only authorized employees of an ignition interlock provider or monitoring authority may view any document made confidential by this section.