Tex. Ins. Code § 1201.214
(a) Except as provided by Subsection (c), an individual accident and health insurance policy must contain the following provision:
"Time of Payment of Claims: Indemnities payable under this policy for any loss, other than a loss for which this policy provides any periodic payment, will be paid immediately on receipt of due written proof of the loss. Subject to due written proof of loss, all accrued indemnities for a loss for which this policy provides periodic payment will be paid __________ (insert period for payment) and any balance remaining unpaid on termination of liability will be paid immediately on receipt of due written proof of loss."
Added by Acts 2003, 78th Leg., ch. 1274, Sec. 3, eff. April 1, 2005.