and session basis. Public Information Programs of the Superintendent of Documents Salaries and expenses (including transfer of funds) For expenses of the public information programs of the Office of Superintendent of Documents necessary to provide for the cataloging and indexing of Government publications and their distribution to the public, Members of Congress, other Government agencies, and designated depository and international exchange libraries as authorized by law, $32,000,000: Provided , That amounts of not more than $2,000,000 from current year appropriations are authorized for producing and disseminating Congressional serial sets and other related publications for fiscal years 2017 and 2018 to depository and other designated libraries: Provided further , That any unobligated or unexpended balances in this account or accounts for similar purposes for fiscal year 2019 and each succeeding fiscal year may be transferred to the Government Publishing Office Business Operations Revolving Fund for carrying out the purposes of this heading, subject to the approval of the Committees on Appropriations of the House of Representatives and Senate. Government Publishing Office Business Operations Revolving Fund For payment to the Government Publishing Office Business Operations Revolving Fund, $6,000,000, to remain available until expended, for information technology development and facilities repair: Provided , That the Government Publishing Office is hereby authorized to make such expenditures, within the limits of funds available and in accordance with law, and to make such contracts and commitments without regard to fiscal year limitations as provided by section 9104 of title 31, United States Code, as may be necessary in carrying out the programs and purposes set forth in the budget for the current fiscal year for the Government Publishing Office Business Operations Revolving Fund: Provided further , That not more than $7,500 may be expended on the certification of the Director of the Government Publishing