34 C.F.R. § 628.48
(a) The Secretary may, after giving the grantee notice and an opportunity for a hearing, terminate an endowment challenge grant if the grantee—
(b) If the Secretary terminates a grant under paragraph (a) of this section, the grantee must return to the Secretary an amount equal to the sum of the original endowment challenge grant or grants plus the income earned on that sum.
(Authority: 20 U.S.C. 1065)
[49 FR 28521, July 21, 1984, as amended at 52 FR 11258, Apr. 8, 1987; 52 FR 36375, Sept. 28, 1987]