La. Stat. tit. 32 § 662.1
Current with operative changes from the 2024 Third Special Legislative Session
In all criminal cases where intoxication is an issue, any certificate or writing made in accordance with the provisions of R.S. 32:663, including but not limited to intoxilyzer instrument recertification forms, and other certificates or writings made with respect to the chemical analyses of a person's blood, urine, breath, or other bodily substance, shall be admissible as evidence.
La. R.S. § 32:662.1