457.20. The Chief Electoral Officer may, on his own initiative or on an application, withdraw the authorization of a private intervenor(1) if the Chief Electoral Officer ascertains that the application for authorization contains false or inaccurate information;
(2) if the Chief Electoral Officer ascertains that the private intervenor or, where applicable, the representative of the private intervenor no longer qualifies for such authorization;
(3) if the Chief Electoral Officer ascertains that the private intervenor or, where applicable, the representative of the private intervenor has contravened any applicable provision of this Act.
Before withdrawing the authorization, the Chief Electoral Officer must allow the private intervenor to present observations or make any necessary corrections. A decision to withdraw the authorization must be in writing and contain reasons.