La. Stat. tit. 32 § 662.1
Current with changes from the 2024 Legislative Session, Acts 3, and 6-86
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