(a) Proof of Will
(1) At the time that the Petition to Prove Will is filed the petitioner shall also file the original will sought to be validated. The petitioner shall certify that the will filed with the petition is the petitioner's current will and that no subsequent wills or codicils are in existence.
(2) The petitioner shall certify that a copy of the petition and a copy of the attached will have been sent to all interested parties as defined in RSA 552:18, III. The court may order that notice be given to other persons.
(3) Upon filing of the petition, the court shall schedule a hearing within 30 days and shall cause notice of the hearing to be sent via first class U.S. mail to all interested parties listed on the petition as well as any other parties deeme