(a) Except as provided by Subsection (b), not later than the 60th day before the date a new or amended preauthorization requirement takes effect, a health maintenance organization that uses a preauthorization process for health care services shall provide notice of the new or amended preauthorization requirement and disclose the new or amended requirement in the health maintenance organization’s newsletter or network bulletin, if any, and on the health maintenance organization’s Internet website.
(b) For a change in a preauthorization requirement or process that removes a service from the list of health care services requiring preauthorization or amends a preauthorization requirement in a way that is less burdensome to enrollees or participating physicians or providers, a health maintenance organization shall provide notice of the change in the preauthorization requirement and disclose the change in the health maintenance organization’s newsletter or network bulletin, if any, and on the health maintenance organization’s Internet website not later than the fifth day before the date the change takes effect.

(c) Not later than the fifth day before the date a new or amended preauthorization requirement takes effect, a health maintenance organization shall update its Internet website to disclose the change to the health maintenance organization’s preauthorization requirements or process and the date and time the change is effective.