Except as provided in subsection (c) of this section, unless the person is accredited by the Department under this subtitle, a person may not: Act as a contractor or supervisor for the purpose of providing lead paint abatement services; Provide training to others who provide lead paint abatement services; or Engage in the inspection of lead-based paint hazards. The Department shall, by regulation, create exceptions to the accreditation requirement for instances where the disturbance of lead-containing substance is incidental. An individual who acts only as a worker or project designer need not be accredited, but must be trained.