The local boards, upon the dividing or redividing of a senatorial or representative district, shall give public notice of what senatorial or representative districts have been divided or redivided into voting districts by publication in some newspaper having a general circulation in the city or town, and shall post, for a period of forty (40) days, a map in the office of the board or in the town clerk's office showing the lines of the voting districts, and shall at all times keep the map on file in their respective offices.
R.I. Gen. Laws § 17-11-2