Tex. Code of Criminal Procedure § 46B.024

During an examination under this subchapter and in any report based on that examination, an expert shall consider, in addition to other issues determined relevant by the expert, the following:

(1) the capacity of the defendant during criminal proceedings to:

(A) rationally understand the charges against the defendant and the potential consequences of the pending criminal proceedings;

(B) disclose to counsel pertinent facts, events, and states of mind;

(C) engage in a reasoned choice of legal strategies and options;

(D) understand the adversarial nature of criminal proceedings;

(E) exhibit appropriate courtroom behavior; and

(F) testify;

(2) as supported by current indications and the defendant's personal history, whether the defendant:

(A) is a person with mental illness; or

(B) is a person with an intellectual disability;

(3) whether the identified condition has lasted or is expected to last continuously for at least one year;

(4) the degree of impairment resulting from the mental illness or intellectual disability, if existent, and the specific impact on the defendant's capacity to engage with counsel in a reasonable and rational manner; and

(5) if the defendant is taking psychoactive or other medication:

(A) whether the medication is necessary to maintain the defendant's competency; and

(B) the effect, if any, of the medication on the defendant's appearance, demeanor, or ability to participate in the proceedings.