disposal and defense nuclear waste disposal activities, 3.0 percent shall be provided to Nye County, Nevada, 0.05 percent shall be provided to Clark County, Nevada, and 0.46 percent shall be provided to the State of Nevada as payment equal to taxes under section 116(c)(3) of the NWPA: Provided further , That within 90 days of the completion of each Federal fiscal year, the Office of the Attorney General of the State of Nevada, each affected Federally-recognized Indian tribe, and each of the affected units of local government shall provide certification to the Department of Energy that all funds expended from such payments have been expended for activities authorized by the NWPA and this Act: Provided further , That failure to provide such certification shall cause such entity to be prohibited from any further funding provided for similar activities: Provided further , That none of the funds herein appropriated may be: (1) used for litigation expenses