45 CFR 304.26 - Determination of Federal share of collections.
(a) From the amounts of support collected by the State and retained as reimbursement for title IV-A payments and foster care maintenance payments under title IV-E, the State shall reimburse the Federal government the Federal share of the support collections. In computing the Federal share of support collections for assistance payments made under titles IV-A and IV-E, the State shall use the Federal medical assistance percentage in effect for the fiscal year in which the amount is distributed. The Federal medical assistance percentage is:
(1) 75 percent for Puerto Rico, the Virgin Islands, Guam, and American Samoa; and
(b) If an incentive payment is made to a jurisdiction under § 304.12 of this chapter for the enforcement and collection of support obligations, the payment shall be made from the Federal share of collections computed in paragraph (a) of this section.
(c) If a hold harmless payment is made to a jurisdiction pursuant to section 457(d) of the Act, the payment shall be made from the remaining Federal share of collections following the incentive payment made in paragraph (b) of this section.