104 STAT. 2218 PUBLIC LAW 101-517—NOV. 5, 1990 1987, Public Law 100-203 as amended, $1,100,000, which shall remain available until expended. NATIONAL COMMISSION ON LIBRARIES AND INFORMATION SCIENCE SALARIES AND EXPENSES For necessary expenses for the National Commission on Libraries and Information Science, established by the Act of July 20, 1970 (Public Law 91-845), $750,000. NATIONAL COMMISSION TO PREVENT INFANT MORTALITY For necessary expenses of the National Commission to Prevent Infant Mortality, established by section 203 of the National Commission to Prevent Infant Mortality Act of 1986, Public Law 99-660, $400,000, which shall remain available until expended. NATIONAL COUNCIL ON DISABILITY SALARIES AND EXPENSES For expenses necessary for the National Council on Disability as authorized by title IV of the Rehabilitation Act of 1973, as amended, $1,475,000. NATIONAL LABOR RELATIONS BOARD SALARIES AND EXPENSES For expenses necessary for the National Labor Relations Board to carry out the functions vested in it by the Labor-Management Relations Act, 1947, as amended (29 U.S.C. 141-167), and other laws, $151,103,000: Provided, That no part of this appropriation shall be available to organize or assist in organizing agricultural laborers or used in connection with investigations, hearings, directives, or orders concerning bargaining units composed of agricultural laborers as referred to in section 2(3) of the Act of July 5, 1935 (29 U.S.C. 152), and as amended by the Labor-Management Relations Act, 1947, as amended, and as defined in section 3(f) of the Act of June 25, 1938 (29 U.S.C. 203), and including in said definition employees engaged in the maintenance and operation of ditches, canals, reservoirs, and waterways when maintained or operated on a mutual, nonprofit basis and at least 95 per centum of the water stored or supplied thereby is used for farming purposes. NATIONAL MEDIATION BOARD SALARIES AND EXPENSES For expenses necessary to carry out the provisions of the Railway Labor Act, as amended (45 U.S.C. 151-188), including emergency boards appointed by the President, $6,675,000.