(a) A health maintenance organization or legal entity engaged in the business of insurance that is found to be in violation of or to have failed to comply with this subchapter is subject to the sanctions provided by Chapter 82 or administrative penalties authorized under Chapter 84.
(b) In addition to the procedures provided by Subsection (a), the commissioner may use the cease and desist procedures authorized by Chapter 83.

(c) It is not a defense to an action of the commissioner under this section that the contract giving rise to the alleged violation was entered into before August 28, 1995.