The Defendant Insurer was not entitled to rely upon an Excluded Driver Endorsement to deny coverage as the Endorsement amended the original policy and the Insured did not agree in writing to the amendment, as required by the Ontario Insurance Act
Gore Mutual Insurance Co. v. 1443249 Ontario Ltd. (c.o.b. Enroute Towing), [2004] O.J. No. 712, Ontario Superior Court of Justice