552:16 Form of Service. –
The notice shall be in form prescribed by the probate court, and shall be delivered by such executor to such legatee, surviving spouse and heirs at law in person or by sending the same by mail, postage prepaid, addressed to the last known place of residence or place of business of such legatee, surviving spouse and heirs at law. When the legatee is a corporation, association or institution notice shall be given to the president or treasurer thereof.