Notwithstanding any other law, the Employees Retirement System of Texas may issue a subpoena that conforms to Rule 176, Texas Rules of Civil Procedure, including a preappeal investigative subpoena or any subpoena otherwise authorized by the Texas Rules of Civil Procedure, that the retirement system determines necessary to protect the interests of a program or system administered by the retirement system.
Tex. Ins. Code § 1551.362