Trust land means any land that:
(1) Is held in trust by the United States for Native Americans;
(2) Is subject to restrictions on alienation imposed by the United States on Indian lands (including native Hawaiian homelands);
(3) Is owned by a Regional Corporation or a Village Corporation, as such terms are defined in section 3(g) and 3(j) of the Alaska Native Claims Settlement Act, respectively (43 U.S.C. 1602(g), (j)); or
(4) Is on any island in the Pacific Ocean if such land is, by cultural tradition, communally-owned land, as determined by the Secretary.