Notwithstanding any other provision of ORS 105.623 to 105.649, if as a result of a disclaimer or transfer the disclaimed or transferred interest is treated pursuant to the provisions of the Internal Revenue Code and the regulations promulgated under that code, as in effect on December 31, 2010, as never having been transferred to the disclaimant, then the disclaimer or transfer is effective as a disclaimer under ORS 105.623 to 105.649.
ORS 105.645