The notice required by § 45-15-9 shall be in writing, signed by the person injured or damaged, or by someone on the person's behalf, and shall be presented to the town council of the town or to the city council of the city; but if from physical or mental incapacity, it is impossible for the person injured to give the notice within the time prescribed in that section, the person may give the notice within ten (10) days after the incapacity is removed. In case of the person's death without having given the notice, and without having been for ten (10) days at any time after his or her injury of sufficient capacity to give the notice, the person's executor or administrator may give the notice within thirty (30) days after his or her appointment.
R.I. Gen. Laws § 45-15-10