Where a local authority have declared an area to be a general improvement area it shall be their duty to bring to the attention of persons residing in the area or owning property therein the action they propose to take in the exercise of their powers under this Part of this Act and the assistance available for the improvement of the amenities of the area or of the dwellings therein by publishing from time to time, in such manner as appears to them appropriate, such information as is in their opinion best designed to further the objects of this Part of this Act.