If the defendant alleges that he is not indicted by his true name, and refuses to say what his real name is, the cause shall proceed as if the name stated in the indictment were true; and the defendant shall not be allowed to contradict the same by way of defense.
Tex. Code Crim. Proc. art. 26.09
IF ACCUSED REFUSES TO GIVE HIS REAL NAME
Acts 1965, 59th Leg., p. 317, ch. 722, Sec. 1, eff
Official source: Texas Constitution and Statutes. Reproduced from public-domain Texas statutes; confirm against the official source for the current text. Not legal advice.