; and (II) with respect to removal in the mainstem Columbia River and its tributaries, the Nez Perce Tribe, the Confederated Tribes of the Umatilla Indian Reservation, the Confederated Tribes of the Warm Springs Reservation of Oregon, the Confederated Tribes and Bands of the Yakama Nation, and the Columbia River Intertribal Fish Commission. (ii) Delegation authority The Secretary may allow an eligible entity described in clause (i)(I) to delegate its authority under a permit under this subsection to any entity described in clause (i)(II). (B) Additional eligibility (i) In general Subject to the approval of the Secretary, the Indian tribes described in subclauses (I) and (II) of clause (ii) may remove sea lions pursuant to a memorandum of understanding described in clause (ii). (ii) Memoranda of understanding A memorandum of understanding described in this clause is— (I) between the State of Washington and the Cowlitz Indian Tribe for deterrence and removal of sea lions on the Cowlitz River