Section 90.31 - Eligibility(a) Tribal governments eligible to seek reimbursement under this program are the governments of Tribal entities recognized by and eligible for funding and services from the Bureau of Indian Affairs by virtue of their status as Indian Tribes, that exercise Special Tribal Criminal Jurisdiction (STCJ), as defined by 25 U.S.C. 1304(a)(14) or section 812(5) of Public Law 117-103 ("participating Tribes").(b) Tribes that are in the planning phases prior to implementing STCJ are not eligible for reimbursement of planning costs from this program.(c) Participating Tribes that are currently exercising jurisdiction over non-Indian offenders who commit any covered crime, as defined by 25 U.S.C. 1304(a)(5) , and are in the planning phase to exercise jurisdiction over additional covered crimes are eligible for reimbursement with regard to the cases for which they already are exercising jurisdiction but not for planning costs.