A tribal organization, as defined in section 4(
l) of the Indian Self-Determination and Education Assistance Act (
25 U.S.C. 5304(
l)), or an economic enterprise, as defined in section 3(e) of the Indian Financing Act of 1974 (
[Public Law 93–262];
25 U.S.C. 1452(e)), whether or not such economic enterprise is organized for profit purposes or nonprofit purposes.