Tex. Insurance Code § 462.251: EXHAUSTION OF RIGHTS UNDER OTHER POLICY REQUIRED.

(a) Any person who has a claim under an insurance policy, other than an impaired insurer's policy, and whose claim arises from the same facts, injury, or loss giving rise to a claim against an impaired insurer or the insurer's insured, must first exhaust the person's rights under the insurance policy, including:

(1) a claim for benefits under a workers' compensation insurance policy or a claim for indemnity or medical benefits under a health, disability, uninsured motorist, personal injury protection, medical payment, liability, or other insurance policy; and

(2) the right to defense under the insurance policy.

(b) Subsection (a) applies without regard to whether the insurance policy is issued by a member insurer.

Added by Acts 2005, 79th Leg., Ch. 727 (H.B. 2017), Sec. 1, eff. April 1, 2007.