Texas Estates Code - EST § 1157.102. Payment of Unauthenticated Claim

(a) Subject to Subsection (b), a guardian of the estate may pay an unauthenticated claim against the ward's estate if the guardian believes the claim to be just.

(b) A guardian who pays a claim under Subsection (a) and the sureties on the guardian's bond are liable for the amount of any payment of the claim if the court finds that the claim is not just.