The trustees of any burial grounds, or any incorporated cemetery association whenever it is deemed advisable by such trustees or association, and is not prohibited by the terms of the conveyance, dedication or devise of such grounds, may sell and convey any part of such burial grounds or land of such association, without restriction as to its use, if such sale and conveyance will not render any lot previously sold for burial purposes inaccessible for such purposes, or detach it from the main body of the cemetery. But no such sale shall be made by such trustees or such association unless authorized by a majority of the lot owners present and voting at a general meeting or special meeting, of which meeting and its object previous notice shall be given by advertising the same as Class II legal advertisement in compliance with the provisions of article three, chapter fifty-nine of this code, and the publication area for such publication shall be the county in which the cemetery is situated. No desecration shall be made of any grave or monument, or any of the walks, drives, trees, or shrubbery within the enclosure of any burial grounds; nor shall any shaft or entry be made within the enclosure of such burial grounds, or any building be erected therein for any purpose whatever other than cemetery purposes.