An owner or lessee of a beauty salon may not knowingly: employ in the beauty salon an individual with an infectious or contagious disease that presents a hazard to a patron; or after discovering an individual has an infectious or contagious disease that presents a hazard to a patron, continue to employ the individual in the beauty salon. An individual who knows that the individual has an infectious or contagious disease that presents a hazard to a beauty salon patron may not practice cosmetology. An individual who knows that another individual has an infectious or contagious disease that presents a hazard to a beauty salon patron may not practice cosmetology on that other individual. An individual may not practice cosmetology in a careless or negligent manner so as to: cause an infection; or impart an infectious or contagious disease that presents a hazard to a beauty salon patron.