(b) Reservation From the amount appropriated under subsection (a) of this section for each fiscal year, the Secretary shall reserve
(1) $200,000,000 to carry out this subpart, other than section
7221d (b) of this title; and
(2) any funds in excess of $200,000,000, that do not exceed $300,000,000, to carry out section
7221d (b) of this title; and
(3)
(A) 50 percent of any funds in excess of $300,000,000 to carry out this subpart, other than section
7221d (b) of this title; and
(B) 50 percent of any funds in excess of $300,000,000 to carry out section
7221d (b) of this title.