A. Effective for the 1997-1998 school year and thereafter, each governing authority of a public elementary or secondary school shall prohibit a school bus operator who tests positive for the presence of marijuana, opioids, amphetamines, phencyclidine, or other controlled dangerous substance as defined in R.S. 40:961(7), or for whom testing indicates a blood alcohol level of .08 percent by weight or higher from driving a school or activity bus or from otherwise transporting students until the governing authority determines, in accordance with rules and regulations adopted pursuant to this Section, that the school bus operator may return to driving a school or activity bus. The provisions of this Subsection shall apply only to any test for blood alcohol level which is administered in the scope of or as a result of the operator's employment as a school bus operator.
B. Each governing authority of a public elementary or secondary school shall adopt rules and regulations necessary to implement the provisions of this Section.