(a) Subject to Subsection (b), the commissioner may order a dealer, agent, investment adviser, or investment adviser representative regulated under this title to pay a refund to a client or a purchaser of securities or services from the person or company as provided in an agreed order or an enforcement order instead of or in addition to imposing an administrative penalty or other sanctions.
(b) The amount of a refund ordered as provided in an agreed order or an enforcement order may not exceed the amount the client or purchaser paid to the dealer, agent, investment adviser, or investment adviser representative for a service or transaction regulated by the board. The commissioner may not require payment of other damages or estimate harm in a refund order.