Texas Business Organizations Code - BUS ORG § 5.208. Immunity from Liability

(1) under a judgment, decree, or order of a court, agency, or tribunal of any type, or in any other manner, in this or any other state, or on any other basis, for a debt, obligation, or liability of the represented entity, whether arising in contract, tort, or otherwise, solely because of the person's designation or appointment as registered agent;  or

(2) to the represented entity or to a person who reasonably relied on the unauthorized designation or appointment solely because of the person's failure or refusal to perform the duties of a registered agent under Section 5.206.