§ 130.71. Petition for a new trial. At any time within two years after approval by the convening authority of a court-martial sentence, the accused may petition the state judge advocate for a new trial on the grounds of newly discovered evidence or fraud on the court. If the accused's case is pending before a board of military review or before the governor, the state judge advocate shall refer the petition to the board of military review or governor for action. Otherwise the state judge advocate shall act upon the petition.