(f) After receiving a complaint or on its own motion, the commission, after notice and hearing and for good cause shown, may amend, modify, suspend, or revoke, in whole or in part, a certificate. Good cause for amendment, modification, suspension, or revocation of a certificate is shown by
- (1) misrepresentation of a material fact in obtaining the certificate;
- (2) unauthorized discontinuance or abandonment of all or part of a service that is the subject of the certificate;
- (3) wilful failure to comply with the provisions of this chapter or a regulation or order of the commission; or
- (4) wilful failure to comply with a term, condition, or limitation of the certificate.