; conversion, modification, and extension of federally owned buildings; preliminary planning and design of projects; and operation and maintenance of secure work environment facilities and secure networking capabilities; $60,000,000, to remain available until expended. Drug enforcement administration SALARIES AND EXPENSES For necessary expenses of the Drug Enforcement Administration, including not to exceed $70,000 to meet unforeseen emergencies of a confidential character pursuant to section 530C of title 28, United States Code