34 Tex. Admin. Code § 29.13
A retiree may change the designation of beneficiary for survivor benefits at any time.
Source Note:The provisions of this §29.13 adopted to be effective January 1, 1976; amended to be effective September 29, 1989, 14 TexReg 4784; amended to be effective September 17, 1997, 22 TexReg 9257.