Whenever it appears to the department that any person has committed a violation of this article which makes the continued operation of an insurer contrary to the interests of policyholders or the public, the department may, after giving notice and an opportunity to be heard, determine to suspend, revoke or refuse to renew such insurer's license or authority to do business in this Commonwealth for such period as it finds is required for the protection of policyholders or the public. Any such determination shall be accompanied by specific findings of fact and conclusions of law.