Tex. Est. Code § 2001.152
(a) Unless otherwise ordered by the court, directed by the user, or provided in a trust, a custodian shall disclose to a trustee that is not an original user of an account the content of an electronic communication sent or received by an original or successor user and carried, maintained, processed, received, or stored by the custodian in the account of the trust if the trustee gives the custodian:
(b) In addition to the items required to be given to the custodian under Subsection (a), the trustee shall provide the following if requested by the custodian:
Added by Acts 2017, 85th Leg., R.S., Ch. 400 (S.B. 1193), Sec. 1, eff. September 1, 2017.