A notary public is not disqualified from taking an acknowledgment or proof of a written instrument as provided by Section 406.016, Government Code, solely because of the person's ownership of stock or participation interest in or employment by a trust institution that is an interested party in the underlying transaction, including a state trust company or a trust institution organized under the laws of another state that lawfully maintains an office in this state.
Tex. Fin. Code § 199.002