PUBLIC LAW 101-189—NOV. 29, 1989 103 STAT. 1437 ance of muster duty and shall constitute payment in full to the member, r^ardless of grade or rank in which serving, as commuta- tion for travel to the immediate vicinity of the designated muster duty location, transportation, subsistence, and the special or extraordinary costs of enforced absence from home and civilian pursuits, including such absence on weekends and holidays. "(d) A member who performs muster duty is not entitled to compensation for inactive-duty training under section 206(a) of this title for the same period.". (2) The table of sections at the beginning of such chapter is amended by adding at the end the following new item: "433. Allowance for muster duty.". SEC 503. THREE-YEAR EXTENSION OF CERTAIN RESERVE OFFICER MANAGEMENT PROGRAMS (a) GRADE DETERMINATION AuTHORiry FOR CERTAIN RESERVE MEDI- CAL OFFICERS.—Sections 3359(b) and 83590t)) of title 10, United States Code, are each amended by striking "September 30, 1989" and inserting in lieu thereof "September 30, 1992". (b) PROMOTION AUTHORITY FOR CERTAIN RESERVE OFFICERS SERV- ING ON ACTIVE DUTY.— (1) Sections 3380(d) and 8380(d) of such title are each amended by striking out "September 30, 1989" and insert- ing in lieu thereof "September 30, 1992". (2) The Secretary of the Army or the Secretary of the Air Force, as lo USC 3380 appropriate, shall provide, in the case of a Reserve officer appointed note. to a l^her grade on or after the date of the enactment of this Act under an appointment d^ribed in paragraph (3), that the date of rank of such officer under that appointment shall be the date of rank that would have applied to the appointment had the authority referred to in that paragraph not lapseid. (3) An appointment referred to in paragraph (2) is an appointment lo usc 3380 under 3380 or 8380 of title 10, United States Code, that (as deter- note. mined by the Secretary concerned) would have been made during the period beginning on October 1, 1989, and ending on the date of the enactment of this Act had the authority to make appointments under that section not lapsed during such period. (c) YEARS OF SERVICE FOR MANDATORY TRANSFER TO THE RETIRED Effective date. RESERVE.— Effective as of October 1, 1989, section 1016(d) of the Department of Defense Authorization Act, 1984 (10 U.S.C. 3360 note), is amended by striking out "September 30, 1989" and insert- ing in lieu thereof "September 30, 1992". SEC. 504. TWO-YEAR EXTENSION OF AUTHORITY FOR CERTAIN SINGLE PARENTS TO ENUST IN RESERVE COMPONENTS Section 523(d) of the National Defense Authorization Act for Fiscal Year 1987 (10 U.S.C. 510 note) is amended by striking out "September 30, 1989" and inserting in lieu thereof "September 30, 1991". SEC. 505. TWO-YEAR PROGRAM OF SPECIAL UNIT ASSIGNMENT PAY FOR ENLISTED MEMBERS OF SELECTED RESERVE (a) SPECIAL PAY.— (1) Chapter 5 of title 37, United States Code, is amended by inserting after section 308c the following new section:
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