Tex. Code Crim. Proc. art. 42.0198

In the trial of an offense under Section 19.02, 22.011, or 22.021, Penal Code, on the motion of the attorney representing the state the judge shall make an affirmative finding of fact regarding the number of months that elapsed, if any, between the date an arrest warrant was issued for the defendant following an indictment for the offense and the date the defendant was arrested for the offense. The judge shall enter the affirmative finding in the judgment in the case.