Pub. L. 101-510, div. A, tit. V, pt. F, sec. 558
REPORT REGARDING REQUIREMENT FOR DUTY IN SUPPORT OF NATIONAL GUARD AND RESERVES
SEC. 558. REPORT REGARDING REQUIREMENT FOR DUTY IN SUPPORT OF NATIONAL GUARD AND RESERVES Not later than April 15, 1991, the Secretary of Defense shall submit to the Committees on Armed Services of the Senate and House of Representatives a report on the desirability of requiring active-duty list officers to serve a minimum of two years in support of a National Guard or Reserve unit as a condition of eligibility for consideration for promotion to the grade of colonel or, in the case of the Navy, captain.