(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 for the distribution of retained IV-A collections; 55 percent for Puerto Rico, the Virgin Islands, Guam, the Northern Mariana Islands, and American Samoa for the distribution of retained IV-E collections; 70 percent for the District of Columbia for the distribution of retained IV-E collections; and

(2) As defined in section 1905(b) of the Act as in effect on September 30, 1995, for any other State.

(b) [Reserved]