(1) The Authority may from time to time by notification in the Oficial Gazette and by publication in leading newspapers from time to time declare. buildings, artefacts, structures, streets, area and precincts of historic or architectural or aesthetic or cultural or environment al significance and those natural features of environmental significance and sites of scenic beauty including, but not restricted to, sacred groves, mountains, hills, hillocks, tablelands, sand dunes deserts, lakes, river, other water bodies and wet lands and the areas adjoining the same, open areas, wooded areas, points walks, rides bridle paths as heritage site to be protected under this Act and grade them as may be prescribed by regulations.
(2) Where the Authority is of the opinion that it is necessary so to do, it may from time to time by notification in the Official Gazette as well as publication in leading newspapers, give thirty days notice of its intention to declare as a heritage site, any building artefact structure, street area and precinct of historic or aesthetic or architectural or cultural or environmental significance and natural feature of environmental significance and site of scenic beauty including, but not restricted to, a sacred grove, mountains, hills, hillocks, tablelands, sand dunes desert s, lakes, rivers, other water bodies and wet lands and the areas adjoining the same, open areas, wooded areas, point s walks, rides bridle paths for inviting objections or suggestion in writing from the person of the public or any organisation and any such notification and news paper published shall be affixed in a conspicuous place near the site.
(3) On the expiry of the said period of thirty days, Authority may after considering the objections and suggestions, if any received by it, declare by notification in the Official Gazette the building, artefact, structure, street, precincts area or natural features to be a heritage site.
(4) A heritage site so declared shall be graded according to its heritage significance by the Authority and the Authority will also determine the scope for change in the heritage site, if required.