A State must file an application with the Secretary of Transportation for financial assistance for a project described under section 22101(a) of this title not later than January 1 of the fiscal year for which amounts have been appropriated. However, for a fiscal year for which the authorization of appropriations for assistance under this chapter has not been enacted by the first day of the fiscal year, the State must file the application not later than 90 days after the date of enactment of a law authorizing the appropriations for that fiscal year. The Secretary shall prescribe the form of the application.