Tex. Elec. Code § 16.092
A voter desiring to challenge a registration must file with the registrar a sworn statement of the grounds for the challenge that:
Acts 1985, 69th Leg., ch. 211, Sec. 1, eff. Jan. 1, 1986.
Amended by Acts 2003, 78th Leg., ch. 1165, Sec. 1, eff. Sept. 1, 2003.