Action by convening authority.
Article 45
ART. 45. Action by convening authority.—Under such regulations as may be prescribed by the President, every record of trial by general or special court-martial or military commission received by a reviewing or confirming authority shall be referred by him, before he acts hereon, to his staff judge advocate or to the Judge Advocate General. No sentence of a court-martial shall be carried into execution until the same shall have been approved by the officer appointing the court or by the officer commanding for the time being.