Section 11B. All state boards and commissions and the governing boards or bodies of all such authorities which conduct a study affecting or relating to the use of an area of a city or town shall notify the mayor or city manager, if any, of the city and the presiding officer of the city council, or the chairman of the board of selectmen of the town, of the study and shall invite their participation therein. No determination shall be made and no results of the study shall be released to the public until such notification has been given with a reasonable opportunity to participate in it.