; and for provision of laboratory assistance to State and local law enforcement agencies, with or without reimbursement, $1,550,000,000, of which not to exceed $36,000 shall be for official reception and representation expenses, not to exceed $1,000,000 shall be available for the payment of attorneys' fees as provided by section 924(d)(2) of title 18, United States Code, and not to exceed $25,000,000 shall remain available until expended: Provided , That none of the funds appropriated herein shall be available to investigate or act upon applications for relief from Federal firearms disabilities under section 925(c) of title 18, United States Code: Provided further , That such funds shall be available to investigate and act upon applications filed by corporations for relief from Federal firearms disabilities under section 925(c) of title 18, United States Code: Provided further , That no funds made available by this or any other Act may be used to transfer the functions, missions, or activities of the Bureau of Alcohol, Tobacco, Firearms and Explosives to other agencies or Departments. Construction For necessary expenses related to construction of laboratory facilities, to include the cost of equipment, furniture, and information technology requirements; construction or acquisition of buildings, facilities, and sites by purchase, or as otherwise authorized by law; conversion, modification and extension of federally owned buildings; and preliminary planning and design of projects