(1)
(a) If the convening authority disapproves the findings and sentence of a military court, the convening authority may, unless there is a lack of sufficient evidence in the record to support the findings, order a rehearing, and state the reasons for disapproval.
(b) If the convening authority disapproves the findings and sentence and does not order a rehearing, the charges shall be dismissed.
(2)
(a) Each rehearing shall take place before a military court composed of members who are not members of the military court that originally heard the case.
(b) At a rehearing, the accused may not be tried for any offense for which a verdict of not guilty was returned by the original military court.
(3) A sentence imposed may not exceed or be more severe than the original sentence, unless based on a finding of guilty regarding an offense not considered on the merits in the original proceedings.