; (B) certifications relating to transportation packaging for HA–LEU; and (C) licensing of enrichment, conversion, and fuel fabrication facilities for HA–LEU, and associated physical security plans for such facilities; (2) a description of such updates; and (3) a timeline to complete such updates. 4. Definitions In this Act: (1) Commission The term Commission means the Nuclear Regulatory Commission. (2) Department The term Department means Department of Energy. (3) HA–LEU The term HA–LEU means high-assay low-enriched uranium. (4) High-assay low-enriched uranium The term high-assay low-enriched uranium means uranium having an assay greater than 5.0 percent and less than 20.0 percent enrichment of the uranium-235 isotope. (5) Secretary The term Secretary means the Secretary of Energy.