631.45 and 631.81 apply to contracts used in reinsurance; the commissioner may specify by rule that reinsurance contracts are subject to other provisions of this chapter and ch. 632 upon a finding that the interests of Wisconsin insureds, of ceding insurers domiciled in this state or of the public in this state so require. (3) OCEAN MARINE INSURANCE. Sections 631.03 to 631.09,