§ 131.9. Immunity for action of military courts or boards. No action\nor proceeding shall be prosecuted or maintained against the convening\nauthority or a member of a military court or board or officer or person\nacting under its authority or reviewing its proceedings, on account of\nthe approval or imposition or execution of any sentence or findings or\nthe imposition or collection of a fine or penalty, or the execution of\nany process or mandate of a military court or board.\n