The Secretary may not make a grant to an entity under subsection (a) of this section unless the health professions and nursing schools involved agree that, in providing scholarships pursuant to the grant, the schools will give preference to students for whom the costs of attending the schools would constitute a severe financial hardship and, notwithstanding other provisions of this section, to former recipients of scholarships under sections
293 and
293d
(d)(2)(B) of this title (as such sections existed on the day before November 13, 1998).