§ 4112. Mutual companies; protection against assessments. No domestic mutual property/casualty insurance company and no officer or representative thereof shall make any contract whether on behalf of such company or of all or any of its policyholders, whereby the company or the policyholders are insured or indemnified against the imposition or payment of assessments which may be made upon members of the company, if the contract is cancellable or otherwise terminable by any party thereto upon the giving of notice of cancellation or termination within a period of less than one year before the effective date of the cancellation or termination.