Publication of notice. Notice of the time and place of a hearing on a proposed amendment shall be published at least twice in a newspaper having a substantial circulation in the Town. Such publication shall be at intervals of not less than two days, the first not more than 15 days nor less than 10 days, and the last not less than two days before such hearing, and a copy of such proposed amendment shall be filed in the Office of the Town Clerk at least 10 days before such hearing. Such additional notice shall be given as the Commission may prescribe.