(1) If the policyholder breaches his or her duty under section 23 (1), the insurer may terminate the contract of insurance without prior notice, unless the insurer has breached the duty neither intentionally nor by acting with gross negligence. If the breach is based on ordinary negligence, the insurer may terminate the contract subject to a notice period of one month.
(2) If an aggravation of the risk insured in accordance with section 23 (2) and (3) occurs, the insurer may terminate the contract subject to a notice period of one month.
(3) The right of termination in accordance with subsections (1) and (2) lapses if it is not exercised within one month after the insurer learns of the aggravation of the risk insured, or if the state of affairs which existed prior to the aggravation is re-established.