"Sole article.-the second paragraph of article 51 of the code of military justice shall be replaced by the following:" the Ministers of Court of appeals that integrate the courts martial will last three years in office. They shall be appointed by drawing of lots among its members, to be practiced by the Presidents of the respective Tribunals, with the assistance of the Secretary, within the last week of the month of January of the year in which appropriate such designation, and which will be excluded to the Ministers who concluded his period. In the case referred to in article 49, the draw will take place within ten days of received the transcript of the agreement referred to in subsection first article; the Ministers who are designaren integrate the second room and will last in its functions until 31 December of that year. ".".