Subject to the provisions of this subsection, a student who has completed at least 80 hours of training at a school of barbering may practice barbering or provide barber–stylist services, without a license, at the school. A student may practice barbering or provide barber–stylist services under this subsection only: in the course of the practical work required as part of the training of the student; while the student is under the direct supervision of a teacher who meets the requirements established by the Department of Education for public school programs or the Maryland Higher Education Commission for private school programs; and if the individual to whom a service is to be provided agrees to the service after being informed that a student in training is to provide the service. Subject to the provisions of this subsection, a student who has completed at least 850 hours of training at a school of barbering may practice barbering or provide barber–stylist services, without a license, in a: hospital; nursing home; or correctional facility that does not house a barber school. A student may practice barbering or provide barber–stylist services under this subsection only: in the course of the practical work required as part of the training of the student; while the student is under the direct supervision of a teacher who meets the requirements established by the Department of Education for public school programs or the Maryland Higher Education Commission for private school programs; and if the individual to whom a service is to be provided: is confined to a hospital, nursing home, or correctional facility that does not house a barber school; and agrees to the service after being informed that a student in training is to provide the service.