Relating to the retention and preservation of toxicological evidence of certain intoxication offenses.

SB 1660 requires Texas crime laboratories to annually notify prosecutors' offices in the county where an intoxication offense (like DWI) occurred about toxicology evidence they hold, including the date the evidence was received. It also establishes a 90-day window for prosecutors to deny requests to destroy evidence after the retention period expires, after which labs may proceed with destruction. The law applies only to evidence with retention periods expiring on or after September 1, 2025, and became effective on that date. This bill directly affects crime labs, prosecutors, and defense attorneys by standardizing evidence retention and destruction procedures for intoxication cases.