PUBLIC LAW 101-510—NOV. 5, 1990 104 STAT. 1575 note. Reserve was ordered to perform under section 672, 673, 673b, 674, or 675 of title 10 for a period of less than 2 years.". (c) EFFECTIVE DATE. —The amendments made by this section shall 38 USC 1411 take effect as of October 19, 1984. SEC. 563. PARTICIPATION OF CERTAIN NATIONAL GUARD PERSONNEL IN MONTGOMERY GI BILL (a) IN GENERAL.— Section 1402 of title 38, United States Code, is smiended 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. 38 USC 1402 note. TITLE VI—COMPENSATION AND OTHER PERSONNEL BENEFITS PART A—PAY AND ALLOWANCES SEC. 601. MILITARY PAY RAISE FOR FISCAL YEAR 1991 (a) WAIVER OF SECTION 1009 ADJUSTMENT.— Any adjustment required by section 1009 of title 37, United States Code, in elements of compensation of members of the uniformed services to become effective during fiscal year 1991 shall not be made. (b) INCREASE IN BASIC PAY, BAS, AND BAQ. —Effective on January 1, 1991, the rates of basic pay, basic allowance for subsistence, and basic allowance for quarters of members of the uniformed services are increased by 4.1 percent. SEC. 602. MODIFICATION OF LIMITATION ON ADJUSTMENTS IN VARIABLE HOUSING ALLOWANCE Section 403a of title 37, United States Code, is amended— (1) in subsection (c)(2), by striking out ", except that the monthly amount" and all that follows through the period at the end and inserting in lieu thereof a period; and (2) by adding at the end the following new subsection: "(f) The monthly rate of a variable housing allowance for members of the uniformed services in the same pay grade and dependency status in an area may not be reduced pursuant to subsection (c)(2), a redetermination of median monthly costs of housing under that subsection, or any other law to the extent that the total amount of monthly basic pay, basic allowance for quarters, basic allowance for subsistence, and variable housing allowance for that grade and status is reduced, as a result of such a reduction in variable housing allowance, below the monthly total of those items of pay and allowances for the month preceding the effective date of the most recent increase in the rate of basic pay for that grade.". 37 USC 1009 note.