Except as otherwise provided in this title, a person may not practice, attempt to practice, offer to practice, or assist in the practice of mortuary science in this State unless licensed by the Board. Except as otherwise provided in this title, an individual may not engage in the operation of a crematory, attempt to engage in the operation of a crematory, or provide or offer to provide cremation services unless the individual is authorized as a registrant. Except as otherwise provided in this title, an individual may not engage in the operation of a reduction facility, attempt to engage in the operation of a reduction facility, or provide or offer to provide natural organic reduction unless the individual is a registered reduction operator.