114 STAT. 1654A-106 PUBLIC LAW 106-398—APPENDIX (B) by striking "15 percent" both places it appears and inserting "15.7 percent"; (C) by striking "In the case of the Army and Air Force, of" at the beginning of the second sentence and inserting "Of"; and (D) by inserting "of the Army or Air Force" in the second sentence after "general officers"; and (2) in paragraph (2)— (A) by inserting "(A)" after "(2)"; (B) by striking "15 percent" both places it appears and inserting "15.7 percent"; and (C) by adding at the end the following: "(B) No appointment may be made in a grade above major general in the Marine Corps if that appointment would result in more than 16.2 percent of the general officers of the Marine Corps on active duty being in grades above major general.". (h) STUDY OF INCREASE IN GRADE FOR VICE CHIEF OF NATIONAL GUARD BUREAU.— (1) The Secretary of Defense shall conduct a study of the advisability of changing the grade authorized for the Vice Chief of the National Guard Bureau from major general to lieutenant general. (2) As part of the study, the Chief of the National Guard Bureau shall submit to the Secretary of Defense an analysis of the functions and responsibilities of the Vice Chief of the National Guard Bureau and the Chiefs recommendation as to whether the grade for the Vice Chief should be changed from major general to lieutenant general. (3) Not later than February 1, 2001, the Secretary shall submit to the Committees on Armed Services of the Senate and House of Representatives a report on the study. The report shall include the following— (A) the recommendation of the Chief of the National Guard Bureau and any other information provided by the Chief to the Secretary of Defense pursuant to paragraph (2); (B) the conclusions resulting from the study; and (C) the Secretary's recommendations regarding whether the grade authorized for the Vice Chief of the National Guard Bureau should be changed to lieutenant general. (i) IMPLEMENTATION. — (1) An appointment or reappointment, in the case of the incumbent in a reserve component chief position, shall be made to each of the reserve component chief positions not later than 12 months after the date of the enactment of this Act, in accordance with the amendments made by subsections (a) through (e). (2) An officer serving in a reserve component chief position on the date of the enactment of this Act may be reappointed to that position under the amendments made by subsection (a) through (e), if eligible and otherwise qualified in accordance with those amendments. If such an officer is so reappointed, the appointment may be made for the remainder of the officer's original term or for a full new term, as specified at the time of the appointment. (3) An officer serving on the date of the enactment of this Act in a reserve component chief position may continue to serve in that position in accordance with the provisions of law in effect immediately before the amendments made by this section until a successor is appointed under paragraph (1) (or that officer is reappointed under paragraph (1)).