Tex. Ins. Code § 1369.306

If a health benefit plan issuer or the agent of the health benefit plan issuer that manages or administers prescription drug benefits fails to use or accept the form prescribed under this subchapter or fails to acknowledge the receipt of a completed form submitted by a prescribing provider, as required by commissioner rule, the health benefit plan issuer or the agent of the health benefit plan issuer is subject to the penalties established by the commissioner.