34 Tex. Admin. Code § 73.1
A retiring member must file a selection of a standard annuity or an optional allowance on or before the date of retirement, unless the system has previously issued written notice of an extension of the filing deadline. Failure to comply with this requirement will cancel the retirement application.
Source Note:The provisions of this §73.1 adopted to be effective September 21, 1981, 6 TexReg 3427.