Pub. L. 101-510, div. A, tit. V, pt. F, sec. 563
PARTICIPATION OF CERTAIN NATIONAL GUARD PERSONNEL IN MONTGOMERY GI BILL
SEC. 563. PARTICIPATION OF CERTAIN NATIONAL GUARD PERSONNEL IN MONTGOMERY GI BILL (a) In General.— Section 1402 of title 38, United States Code, is amended by adding at end the following: “(7) The term ‘active duty’ includes full-time National Guard duty first performed after November 29, 1989, by a member of the Army National Guard of the United States or the Air National Guard of the United States in the member’s status as a member of the National Guard of a State for the purpose of organizing, administering, recruiting, instructing, or training the National Guard.”. (b) Effective Date.— The amendment made by this section shall apply only to individuals who before the date of entry on active duty, as defined in section 1402(7) of title 38, United States Code (as added by subsection (a)), have never served on active duty as defined in section 101(21) of that title.