Texas Election Code - ELEC § 191.005. Procedures for Conduct of Presidential Primary Generally

(a) The presidential primary election shall be held in conjunction with the party's general primary election.

(b) Except as otherwise provided by this subchapter, the presidential primary election shall be conducted and the results canvassed, tabulated, and reported in accordance with the procedures prescribed by this code in relation to the general primary election to the extent those procedures can be made applicable.

(c) The secretary of state shall prescribe any additional procedures necessary for the orderly and proper administration of the presidential primary election.