Immunity for Action of Military Courts

No accused may bring an action or proceeding against the convening authority or a member of military court, board convened under this Code or military regulations, or officer or person acting under its authority or reviewing its proceedings because of the approval, imposition, or execution of any sentence or the imposition or collection of a fine or penalty, or the execution of any process or mandate of a military court, board convened under this Code, or military regulation.