13.—(1) A suspending authority may suspend a civil servant if—

(a) it appears to that suspending authority that the civil servant has been guilty of grave misconduct or of grave irregularity warranting disciplinary action, or

(b) it appears to that suspending authority that the public interest might be prejudiced by allowing the civil servant to remain on duty, or

(c) a charge of grave misconduct or grave irregularity is made against the civil servant and it appears to that suspending authority that the charge warrants investigation.

(2) A suspending authority may terminate the suspension of a civil servant suspended under subsection (1) of this section.