Tex. Labor Code § 209.021: BEGINNING AND ENDING DATES FOR EXTENDED BENEFIT PERIOD.

(a) Except as provided by Subsection (b), an extended benefit period begins with the third week after a week with a state "on" indicator.

(b) An extended benefit period may not begin before the 14th week after the end of a previous extended benefit period in effect for this state.

(c) An extended benefit period ends with the later of:

(1) the third week after the first week with a state "off" indicator; or

(2) the 13th consecutive week of the period.

Acts 1993, 73rd Leg., ch. 269, Sec. 1, eff. Sept. 1, 1993.