Tex. Labor Code § 101.108: CERTAIN UNIONS EXCEPTED.

Sections 101.104-101.107 do not apply to a union that:

(1) under its constitution, bylaws, or other organization rules, held its elections for officers and representatives every three years or every four years, for the four years ending August 10, 1943; and

(2) charged members an initiation fee of $10 or less, for the 10 years ending August 10, 1943.

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