281—43.15 (285) Physical fitness. Except for insulin-dependent diabetics, an applicant for a school bus driver’s authorization must undergo a biennial physical examination by a licensed physician or surgeon, osteopathic physician or surgeon, osteopath, qualified doctor of chiropractic, licensed physician assistant, or advanced registered nurse practitioner. The applicant must submit annually to the applicant’s employer the signed medical examiner’s certificate (pursuant to Federal Motor Carrier Safety Administration regulations 49 CFR Sections 391.41 to 391.49), indicating, among other requirements, sufficient physical capacity to operate the bus effectively and to render assistance to the passengers in case of illness or injury, and freedom from any communicable disease. At the discretion of the chief administrator or designee of the employer or prospective employer, the chief administrator or designee shall evaluate the applicant’s ability in operating a school bus, including all safety equipment, in providing assistance to passengers in evacuation of the school bus, and in performing other duties required of a school bus driver.