PUBLIC LAW 102-90 —AUG. 14, 1991 105 STAT. 461 individual Representatives, Resident Commissioners or Delegates authorized under 44 U.S.C. 906: Provided further, That, to the extent that funds remain from the unexpended balance of fiscal year 1984 funds obligated for the printing and binding costs of publications produced for the Bicentennial of the Congress, such remaining funds shall be available for the current year printing and binding cost of publications produced for the Bicentennial: Provided further, That this appropriation shall be available for the payment of obligations incurred under the appropriations for similar purposes for preceding fiscal years. This title may be cited as the "Congressional Operations Appropriations Act, 1992". TITLE II—OTHER AGENCIES BOTANIC GARDEN SALARIES AND EXPENSES For all necessary expenses for the maintenance, care and operation of the Botanic Garden and the nurseries, buildings, grounds, and collections; purchase and exchange, maintenance, repair, and operation of a passenger motor vehicle; all under the direction of the Joint Committee on the Library, $2,862,000. LIBRARY OF CONGRESS SALARIES AND EXPENSES For necessary expenses of the Library of Congress, not otherwise provided for, including development and maintenance of the Union Catalogs; custody and custodisd care of the Library buildings; special clothing; cleaning, laundering and repair of uniforms; preservation of motion pictures in the custody of the Library; operation and maintenance of the American Folklife Center in the Library; preparation and distribution of catalog cards and other publications of the Library; hire or purchase of one passenger motor vehicle; and expenses of the Library of Congress Trust Fund Board not properly chargeable to the income of any trust fund held by the Board, $196,266,000, of which not more than $7,300,000 shall be derived from collections credited to this appropriation during fiscal year 1992 under the Act of June 28, 1902, as amended (2 U.S.C. 150): Provided, That the total amount available for obligation shall be reduced by the amount by which collections are less than the $7,300,000: Provided further, That of the total amount appropriated, $7,636,000 is to remain available until expended for acquisition of books, periodicals, and newspapers, and all other materials including subscriptions for bibliographic services for the Library, including $40,000 to be available solely for the purchase, when specifically approved by the Librarian, of special and unique materials for additions to the collections: Provided further. That, notwithstanding the provisions of 2 U.S.C. 150, as amended, $622,000 is to be available to support the catalog cards service.