Section 34-5-6 - Filing and service of disclaimer(a) The original of the disclaimer or an attested copy of the disclaimer, if filing is required to be made with more than one office, shall be filed: (1) In the case of personal property, in the office of the clerk of probate court that had jurisdiction of the estate of the decedent at the time of his or her death, if the interest was created by will, or if the interest was created by an inter vivos instrument in the office of the clerk of the superior court for the county of which the donor or grantor was a resident at the time of the creation of the grant or trust or if the donor or grantor was not a resident of Rhode Island in the office of the clerk of the Superior Court for Providence County.(2) In the case of real estate, in the office of the person having charge of the recording of deeds in the city or town in which the real estate is situated; and if probate proceedings have been commenced in the estate of the decedent prior to the filing, this disclaimer shall also be filed in the office of the clerk of the probate court in which these proceedings are instituted.(b) A copy of the disclaimer shall be served by delivering in hand or by mailing by certified mail to the last known address of the person or persons or other legal entity or entities having legal title to or possession of the property, an interest in which is being disclaimed. Failure to comply with these requirements of service shall not affect the validity of the disclaimer.