If a recipient is determined to have violated this part, as described in § 630.500 or § 630.505, the National Science Foundation may take one or more of the following actions -
(a) Suspension of payments under the award;
(b) Suspension or termination of the award; and
(c) Suspension or debarment of the recipient under 45 CFR part 620, for a period not to exceed five years.