S.B. No. 1660 amends Article 38.50 of the Code of Criminal Procedure to enhance the retention and preservation of toxicological evidence related to certain intoxication offenses. The bill introduces a new Subsection (c-1), which mandates that crime laboratories in possession of toxicological evidence must notify the relevant prosecutor's office annually about the evidence and provide the date it was received. Additionally, it modifies Subsections (g) and (h) to clarify the methods of notification and the conditions under which toxicological evidence may be destroyed. Specifically, it allows for destruction of evidence if the prosecutor's office does not respond to a request for destruction within 90 days, provided the retention period has expired.

The bill also stipulates that the amended provisions apply only to evidence for which the retention period expires on or after the effective date of the Act, which is set for September 1, 2025. Evidence with an expired retention period prior to this date will continue to be governed by the previous law. This legislative change aims to ensure better management of toxicological evidence in intoxication cases, thereby supporting the integrity of the judicial process.