Texas Business Organizations Code - BUS ORG § 2.106. Power of Nonprofit Corporation to Serve as Trustee

(a) A nonprofit corporation that is described by Section 501(c)(3) or 170(c), Internal Revenue Code, or a corresponding provision of a subsequent federal tax law, or a nonprofit corporation listed by the Internal Revenue Service in the Cumulative List of Organizations Described in Section 170(c) of the Internal Revenue Code of 1986, I.R.S. Publication 78, or any successor I.R.S. publication, may serve as the trustee of a trust:

(b) Any corporation (or person or entity assisting such corporation) described in this section shall have immunity from suit (including both a defense to liability and the right not to bear the cost, burden, and risk of discovery and trial) as to any claim alleging that the corporation's role as trustee of a trust described in this section constitutes engaging in the trust business in a manner requiring a state charter as defined in Section 181.002(a)(9), Finance Code. An interlocutory appeal may be taken if a court denies or otherwise fails to grant a motion for summary judgment that is based on an assertion of the immunity provided in this subsection.