469A.6  Amendment or revocation.
  The executive council may at any time for just cause or upon the failure of the applicant to comply with and to obey the terms and conditions attached to the issuance of any certificate, or when the public convenience and necessity demands, alter, amend or revoke any certificate issued under the provisions of this chapter.
[C50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §469A.6]