(1) In the case of an open policy, where the policyholder culpably fails to fulfil an incidental obligation to be fulfilled prior to the occurrence of an insured event, the insurer is not liable in respect of an insured individual risk to which the breached incidental obligation applies.
(2) In the case of culpable non-observance of an incidental obligation, the insurer may terminate the contract within one month of learning of the non-observance, subject to a notice period of one month.