Rule 23.4.209 - BREATH ANALYSIS INSTRUMENTS(1) All models of breath analysis instruments used to administer testing according to 61-8-1019, MCA, must be approved by the division. The models operated by certified operators and/or senior operators prior to and on the effective date of this rule are deemed approved by the division.NEW, 1988 MAR p. 275, Eff. 2/12/88; AMD, 1991 MAR p. 1281, Eff. 7/26/91; AMD, 2023 MAR p. 413, Eff. 4/29/2023AUTH: 61-8-1019, MCA; IMP: 61-8-1019, MCA