(a) Requirement of allotments for States
The Secretary shall for each fiscal year make an allotment for each State in an amount determined in accordance with section 300d–18 of this title. The Secretary shall make payments, as grants, each fiscal year to each State from the allotment for the State if the Secretary approves for the fiscal year involved an application submitted by the State pursuant to section 300d–17 of this title.

(b) Purpose
Except as provided in section 300d–33 ¹ of this title, the Secretary may not make payments under this part for a fiscal year unless the State involved agrees that, with respect to the trauma care component of the State plan for the provision of emergency medical services, the payments will be expended only for the purpose of developing, implementing, and monitoring the modifications to such component described in section 300d–13 of this title.