1 Tex. Admin. Code § 159.5
In computing time periods prescribed by this chapter or by a judge's order, the day of the act, event, or default on which the designated period of time begins to run is not included. The last day of the period is included, unless it is a Saturday, a Sunday, an official state holiday, or another day on which SOAH is closed, in which case the time period will be deemed to end on the next day that SOAH is open. When these rules specify a deadline or set a number of days for filing documents or taking other actions, the computation of time shall be by calendar days rather than business days, unless otherwise provided in this chapter or a judge's order. However, if the period within which to act is five days or less, the intervening Saturdays, Sundays, and legal holidays are not counted, unless this chapter or a judge's order otherwise specifically provides.
Source Note:The provisions of this §159.5 adopted to be effective January 20, 2009, 34 TexReg 329.