Suspension is a serious action. Using the procedures of this subpart and subpart F of this part, the suspending official may impose suspension only when that official determines that—
(a)
There exists an indictment for, or other adequate evidence to suspect, an offense listed under § 105-68.800(a), or
(b)
There exists adequate evidence to suspect any other cause for debarment listed under § 105-68.800(b) through (d); and
(c)
Immediate action is necessary to protect the public interest.