Except as provided in 49 C.F.R. Sec. 391.67 as it existed on April 30, 2019, or such subsequent date as may be provided by the department by rule, consistent with the purposes of this section, a person may not drive a commercial motor vehicle unless he or she is physically qualified to do so and is medically examined and certified in accordance with procedures provided in 49 C.F.R. Sec. 391.43 as it existed on April 30, 2019, or such subsequent date as may be provided by the department by rule, consistent with the purposes of this section.