(a) Suspension may be imposed in accordance with the provisions of Sec. Sec. 513.400 through 513.413 upon adequate evidence:
(1) To suspect the commission of an offense listed in Sec. 513.305(a); or
(2) That a cause for debarment under Sec. 513.305 may exist.
(b) Indictment shall constitute adequate evidence for purposes of suspension actions.