(a) If a motion is filed seeking disqualification, recusal, or determination of constitutional or statutory incompetence of a Supreme Court justice, the justice in question shall act promptly by written order and either grant or deny the motion. If the motion is denied, the justice shall state in writing the grounds upon which he or she denies the motion. If the justice denies the motion, the movant, within twenty-one days of entry of the order, may file a motion for court review, which shall be determined promptly by the remaining justices upon a de novo standard of review. (b) If a motion is filed seeking disqualification, recusal, or determination of constitutional or statutory incompetence of all of the justices of the Supreme Court, and if the motion is denied by the justices, no motion for court review shall be available pursuant to section 3.03(a).