The Army National Guard of each State, the Commonwealth of Puerto Rico , the District of Columbia, Guam, and the Virgin Islands includes such members of the staff corps corresponding to the staff corps of the Army as the Secretary of the Army may authorize. (Aug. 10, 1956, ch. 1041, 70A Stat. 597 ; Pub. L. 100–456, div. A, title XII, § 1234(b)(1) , Sept. 29, 1988 , 102 Stat. 2059 ; Pub. L. 109–163, div. A, title X, § 1057(b)(2) , Jan. 6, 2006 , 119 Stat. 3441 .) Historical and Revision Notes Revised section Source (U.S. Code) Source (Statutes at Large) 103 32:9. July 9, 1918, ch. 143 (proviso of 13th par. under “National Guard” ), 40 Stat. 875 . The word “members” is substituted for the words “ officers and enlisted men”. The word “Regular” is omitted, since the organization is now prescribed for the Army, and the Regular Army is only a personnel category. Editorial Notes Amendments 2006— Pub. L. 109–163 substituted “State, the Commonwealth of Puerto Rico , the District of Columbia, Guam, and the Virgin Islands” for “State and Territory, Puerto Rico , and the District of Columbia”. 1988— Pub. L. 100–456 struck out “the Canal Zone,” after “Puerto Rico ,”.