(a) A Tribe is eligible to receive section 105 financial assistance under §§35.570 through 35.578 if it has demonstrated eligibility to be treated as a State under 40 CFR 49.6. An Intertribal Consortium consisting of Tribes that have demonstrated eligibility to be treated as States under 40 CFR 49.6 is also eligible for financial assistance.

(b) Tribes that have not made a demonstration under 40 CFR 49.6 and Intertribal Consortia consisting of Tribes that have not demonstrated eligibility to be treated as States under 40 CFR 49.6 are eligible for financial assistance under sections 105 and 302(b)(5) of the Clean Air Act.