Texas Insurance Code - INS § 2201.253. Limitations on Authority

(a) A purchasing group located in this state may not purchase liability insurance from a risk retention group that is not chartered in a state or from an insurer that does not hold a certificate of authority to engage in the business of insurance in this state unless the purchase is effected through a licensed agent acting under Chapter 981.

(b) A purchasing group may not offer insurance policy coverage declared unlawful by the Texas Supreme Court.