Senate Bill 2662, known as the "Oral-Fluid DUI Testing and Evidence-Based Enforcement Safeguards Act," amends Tennessee law to establish comprehensive guidelines for the administration of oral-fluid testing by law enforcement officers. The bill introduces definitions for key terms such as "accredited laboratory," "approved device list," and "articulable facts," which are essential for ensuring the accuracy and reliability of oral-fluid tests. It mandates that officers can only administer these tests if the devices are on an approved list, properly calibrated, and if the officer is trained in their use. Additionally, the bill requires thorough documentation of each test, including the date, time, and results, and stipulates that records must be retained for a minimum of three years.

Furthermore, the bill outlines the conditions under which oral-fluid screening results can be used as evidence in criminal proceedings. It specifies that a confirmatory test from an accredited laboratory must be obtained for the results to be admissible as substantive evidence. If confirmatory testing is not conducted, the screening results can only serve as preliminary leads and cannot support arrests or administrative license consequences. The legislation also emphasizes the importance of preserving samples for independent retesting and mandates that the state provide defendants with information regarding their rights to retesting. Overall, the bill aims to enhance the integrity of DUI enforcement through stringent testing protocols and accountability measures.