If any person (other than a registered entity), is violating or has violated section 9 of this title or any other provisions of this chapter or of the rules, regulations, or orders of the Commission thereunder, the Commission may, upon notice and hearing, and subject to appeal as in other cases provided for in section 9 of this title, make and enter an order directing that such person shall cease and desist therefrom and, if such person thereafter and after the lapse of the period allowed for appeal