DEFENSE OF DISTRICT ATTORNEY, COUNTY ATTORNEY, OR GRAND JUROR.

(a) The attorney general shall defend a state district attorney in an action in a federal court if:

(1) the district attorney is a defendant because of the district attorney's office;

(2) the cause of action accrued while the person filing the action was confined in the Texas Department of Criminal Justice;

(3) the district attorney requests the attorney general's assistance in the defense; and

(4) there is no action pending against the district attorney in which the attorney general is required to represent the state.

(b) The attorney general shall defend a state grand juror who is a defendant in an action in any court if:

(1) the suit involves an act of the person while in the performance of duties as a grand juror; and

(2) the person requests the attorney general's assistance in the defense.

(c) The attorney general may defend a state district attorney or a county attorney in an action in a federal court if:

(1) the district or county attorney is a defendant because of the district or county attorney's position;

(2) the cause of action relates to the enforcement of a state statute; and

(3) the district or county attorney requests the attorney general's assistance in the defense.