Texas Insurance Code - INS § 1369.0542. Effect of Reductions in Out-of-Pocket Expenses on Cost Sharing

(a) This section applies only to a reduction in out-of-pocket expenses made by or on behalf of an enrollee for a prescription drug covered by the enrollee's health benefit plan for which:

(b) An issuer of a health benefit plan that covers prescription drugs or a pharmacy benefit manager shall apply any third-party payment, financial assistance, discount, product voucher, or other reduction in out-of-pocket expenses made by or on behalf of an enrollee for a prescription drug to the enrollee's deductible, copayment, cost-sharing responsibility, or out-of-pocket maximum applicable to health benefits under the enrollee's plan.