By the authority vested in me as President by the Constitution and the laws of the United States of America, including chapter 47 of title 10, United States Code (Uniform Code of Military Justice (UCMJ), 10 U.S.C. 801-946), and in order to prescribe amendments to the Manual for Courts-Martial, United States, prescribed by Executive Order 12473 of April 13, 1984, as amended, it is hereby ordered as follows:
https://www.law.cornell.edu/uscode/text/10/subtitle-A/part-II/chapter-47
EO 12473
https://www.archives.gov/federal-register/codification/executive-order/12473.html
Complete text of EO 12473

Section 1. Part II, Part III, and Part IV of the Manual for Courts-Martial, United States, are amended as described in Annex 1, which is attached to and made a part of this order.
Annex 1
http://jsc.defense.gov/Portals/99/Documents/ANNEX1.pdf?ver=2017-07-19-103116-403