Section 3. the Homestead Commission, Created by Chapter Six Hundred and

seven of the acts of the year nineteen hundred and eleven, is hereby directed to call the attention of the mayor and city governments in cities and the selectmen in each town having a population of more than ten thousand at the last preceding national or state census to the provisions of this act in such form as may seem proper; and said commission is furthermore authorized and directed to furnish information and suggestions from time to time to city governments and to the selectmen of towns and to local planning boards, when the same shall have been created, such as may, in its judgment, tend to promote the purposes of this act and of those for which the said commission was established.