Insurers issuing the standard fire insurance policy pursuant to ORS 742.202 are authorized to affix thereto or include therein a written statement that the policy does not cover loss or damage caused by nuclear reaction or nuclear radiation or radioactive contamination, all whether directly or indirectly resulting from an insured peril under said policy. However, nothing contained in this section shall be construed to prohibit the attachment to any such policy of an indorsement or indorsements specifically assuming coverage for loss or damage caused by nuclear reaction or nuclear radiation or radioactive contamination.
ORS 742.244