The term “Indian lands” shall include lands within the definition of “Indian country”, as defined in section
1151 of title
18; or “Indian reservations”, as defined in section
1452
(d) of this title, or section
1903
(10) of this title. For purposes of the preceding sentence, such section
1452
(d) of this title shall be applied by treating the term “former Indian reservations in Oklahoma” as including only lands which are within the jurisdictional area of an Oklahoma Indian Tribe (as determined by the Secretary of the Interior) and are recognized by such Secretary as eligible for trust land status under part 151 of title
25, Code of Federal Regulations (as in effect on December 21, 2000).