Upon application of any person, or upon his or her own motion, and upon at least ten (10) days’ notice to the parties affected thereby, and for good cause, and after an opportunity for a hearing on the application, the administrator may revoke, suspend, alter, amend, or modify any and all of his or her orders and findings, but no certificate shall be amended, altered, modified, revoked, suspended, or impaired except after like notice and opportunity to be heard and upon clear proof of good, just, and sufficient cause.