42 C.F.R. § 457.626
(a) General rule. No payment shall be made to a State for expenditures for child health assistance under its State child health plan to the extent that:
(b) Definitions. As used in paragraph (a) of this section—
Non-governmental health insurer includes any health insurance issuer, group health plan, or health maintenance organization, as those terms are defined in 45 CFR 144.103, which is not part of, or wholly owned by, a governmental entity.
Prompt payment can reasonably be expected when payment is required by applicable statute, or under an approved State plan.
Programs operated or financed by the Indian Health Service means health programs operated by the Indian Health Service, or Indian tribe or tribal organization pursuant to a contract, grant, cooperative agreement or compact with the Indian Health Service under the authority of the Indian Self-Determination and Education Assistance Act (25 U.S.C. 450, et seq.), or by an urban Indian organization in accordance with a grant or contract with the Indian Health Service under the authority of title V of the Indian Health Care Improvement Act (25 U.S.C. 1601, et seq.).
[65 FR 33622, May 24, 2000, as amended at 67 FR 61974, Oct. 2, 2002]