§ 260. Charters of all savings banks conformed to this article. The powers, privileges and duties, and all restrictions, heretofore or hereafter conferred or imposed upon any savings bank by whatever name known, by its charter or act of incorporation, are hereby abridged, enlarged or modified, as each particular case may require, in such manner that every such charter or act of incorporation shall be made to conform to the provisions of this article and to such amendments thereof as may be hereafter made. Every savings bank shall possess the powers, rights and privileges, and be subject to the duties, restrictions and liabilities, conferred and imposed by this article, notwithstanding anything to the contrary in their respective charters or acts of incorporation.