Tex. Election Code § 191.001: PARTIES REQUIRED TO HOLD PRESIDENTIAL PRIMARY ELECTION.

To be entitled to have its nominees for president and vice-president of the United States placed on the general election ballot in a particular presidential election year, a political party must hold a presidential primary election in this state if:

(1) in the presidential election year, the party is required by this code to nominate its candidates for state and county offices by primary election;

(2) a presidential primary election is authorized under national party rules; and

(3) before January 1 of the presidential election year, the national party has determined that it will hold a national presidential nominating convention that year.

Added by Acts 1986, 69th Leg., 3rd C.S., ch. 14, Sec. 26, eff. Sept. 1, 1987.