; or (B) that has federally defined possessory or usage rights to other land outside of the reservation boundaries that— (i) arise out of a congressionally ratified treaty; and (ii) the Secretary of the Interior finds, on petition of an appropriate governmental official of the Indian Tribe, may be substantially and adversely affected by the repository or storage facility. (4) Affected unit of general local government (A) In general The term affected unit of general local government means the unit of general local government that has jurisdiction over the site of a repository or storage facility. (B) Inclusion The term affected unit of general local government may include, at the discretion of the Administrator, units of general local government that are contiguous with the unit that has jurisdiction over the site of a repository or storage facility. (5) Civilian nuclear power reactor The term civilian nuclear power reactor has the meaning given the term in section 2 of the Nuclear Waste Policy Act of 1982 ( 42 U.S.C. 10101 ). (6) Commission The term Commission means the Nuclear Regulatory Commission. (7) Compliance agreement The term compliance agreement means a legally enforceable agreement between the Secretary and a Federal or State agency requiring the removal of defense waste from a Department of Energy facility. (8) Contract holder The term contract holder means any person who— (A) generates or holds title to nuclear waste generated at a civilian nuclear power reactor