to be transferred to this appropriation from the Federal Hospital Insurance Trust Fund and the Federal Supplementary Medical Insurance Trust Fund. 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, $3,250,000. 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, and other laws, $261,325,000: 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, and as amended by the Labor-Management Relations Act, 1947, and as defined in section 3(f) of the Act of June 25, 1938, 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 percent of the water stored or supplied thereby is used for farming purposes. Administrative provisions 407. None of the funds provided by this Act or previous Acts making appropriations for the National Labor Relations Board may be used to issue any new administrative directive or regulation that would provide employees any means of voting through any electronic means in an election to determine a representative for the purposes of collective bargaining. 408. None of the funds made available by this Act may be used to issue, enforce, or litigate any administrative directive, regulation, representation issue, or unfair labor practice proceeding, or any other administrative complaint, charge, claim, or proceeding based on the standard for determining whether entities are ‘‘joint employers’’ set forth by the National Labor