Notwithstanding section 307 of the Energy and Water Development and Related Agencies Appropriations Act, 2010 (Public Law 111–85; 123 Stat. 2845), of the funds made available by the Department of Energy for activities at Government-owned, contractor-operated laboratories funded in the Energy and Water Development and Related Agencies Appropriations Act, 2014 (div. D of Pub. L. 113–76) or any subsequent Energy and Water Development Appropriations Act for any fiscal year, the Secretary may authorize a specific amount, not to exceed 6 percent of such funds, to be used by such laboratories for laboratory directed research and development.