112 STAT. 500 PUBLIC LAW 105-178—JUNE 9, 1998 (i) by striking "1999" each place it appears and inserting "2005", and (ii) by striking "2000" each place it appears and inserting "2006". (B) INSTALLMENT PAYMENTS OF HIGHWAY USE TAX. — Section 6156(e)(2) (relating to installment pa3nnents of highway use tax on use of highway motor vehicles) is amended by striking "1999" and inserting "2005". (b) EXTENSION OF CERTAIN EXEMPTIONS. — The following provisions are each amended by striking "1999" and inserting "2005": (1) Section 4221(a) (relating to certain tax-free sales). (2) Section 4483(g) (relating to termination of exemptions for highway use tax). (c) EXTENSION OF DEPOSITS INTO, AND CERTAIN TRANSFERS FROM, TRUST FUND.— (1) IN GENERAL.— Subsection (b), and paragraphs (2) and (3) of subsection (c), of section 9503 (relating to the Highway Trust Fund) are each amended— (A) by striking "1999" each place it appears and inserting "2005", and (B) by striking "2000" each place it appears and inserting "2006". (2) MOTORBOAT AND SMALL-ENGINE FUEL TAX TRANSFERS. — (A) IN GENERAL. — Paragraphs (4)(A)(i) and (5)(A) of section 9503(c) are each amended by striking "1998" and inserting "2005". (B) CONFORMING AMENDMENTS TO LAND AND WATER CONSERVATION FUND. —Section 201(b) of the Land and Water Conservation Fund Act of 1965 (16 U.S.C. 4601- 11(b)) is amended— (i) by striking "1997" and inserting "2003", and (ii) by striking "1998" each place it appears and inserting "2004". (3) CONFORMING AMENDMENT. —The heading for paragraph (3) of section 9503(c) is amended to read as follows: " (3) FLOOR STOCKS REFUNDS.— ". (d) EXTENSION AND EXPANSION OF EXPENDITURES FROM TRUST FUND. — (1) HIGHWAY ACCOUNT. — (A) EXTENSION OF EXPENDITURE AUTHORITY.— Paragraph (1) of section 9503(c) is amended by striking "1998" and inserting "2003". (B) EXPANSION OF PURPOSES.—Paragraph (1) of section 9503(c) is amended— (i) by striking "or" at the end of subparagraph (C), and (ii) by striking "1991." in subparagraph (D) and all that follows through the end of paragraph (1) and inserting "1991, or "(E) authorized to be paid out of the Highway Trust Fund under the Transportation Equity Act for the 21st Century. In determining the authorizations under the Acts referred to in the preceding subparagraphs, such Acts shall be applied as in effect on the date of enactment of the Tremsportation Equity Act for the 21st Century.". (2) MASS TRANSIT ACCOUNT. —
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