42 U.S.C. § 10143
Title to material
Delivery, and acceptance by the Secretary, of any high-level radioactive waste or spent nuclear fuel for a repository constructed under this part shall constitute a transfer to the Secretary of title to such waste or spent fuel.
( Pub. L. 97–425, title I, § 123 , Jan. 7, 1983 , 96 Stat. 2229 .)