28 Tex. Admin. Code § 21.2813
Any contract or delegation agreement between an HMO or preferred provider carrier and an entity that processes or pays claims, obtains the services of physicians and providers to provide health care services, or issues verifications or preauthorizations may not be construed to limit the HMO's or preferred provider carrier's authority or responsibility to comply with all applicable statutory and regulatory requirements.
Source Note:The provisions of this §21.2813 adopted to be effective May 23, 2000, 25 TexReg 4543; amended to be effective October 5, 2003, 28 TexReg 8647.