(a) Employment that an intern performs is not covered employment if:
(1) the employer is a hospital; and
(2) the intern has completed a 4-year course in a medical school that is chartered or approved under State law.
(b) Employment that a patient of a hospital performs for the hospital is not covered employment.
(c) Employment that a student nurse performs is not covered employment if:
(1) the employer is a hospital or training school for nurses; and
(2) the student nurse is enrolled in and regularly attending classes in a training school for nurses that is chartered or approved under State law.