Potter's field. The commissioner shall have charge of the Potter's Fields, and when the necessity therefor shall arise, shall have power to lay out additional Potter's Fields or other public burial places for the poor and strangers and from time to time enclose and extend the same to make enclosures therein and to build vaults therein, and to provide all necessary labor and for interments therein. The Potter's Field on Hart's island, however, shall remain under the control of the department of correction, and the burial of deceased paupers therein shall continue under rules and regulations established by the joint action of the departments of social services and correction, or in case of disagreement between such departments, under such regulations as may be established by the mayor.