Texas Civil Practice and Remedies Code - CIV PRAC & REM § 104.007. Funds for Defense

(a) Only funds appropriated from the General Revenue Fund to the attorney general may be used to conduct the defense of an action that the attorney general is required to defend under this chapter.

(b) Conducting the defense of an action covered by this chapter includes investigating, taking depositions, making discovery, preparing for trial, preparing exhibits or other evidence, and participating in actual trial.