(a) The Department of State Health Services may hold public hearings in accordance with Chapter 2001, Government Code, to determine whether there is compelling evidence that a dangerous drug has been abused, either by being prescribed for nontherapeutic purposes or by the ultimate user.
(b) On finding that a dangerous drug has been abused, the Department of State Health Services may limit the availability of the abused drug by permitting its dispensing only on the prescription of a practitioner described by Section 483.001(12)(A), (B), or (D).