From and after the passage of this act, bone boiling establishments and depositories of dead animals may be established and operated in this Commonwealth under the following conditions, to wit: That no establishment for bone boiling or depository of dead animals shall be erected and operated in any political subdivision within the jurisdiction of a county department of health or joint-county department of health, unless the permission of the county department of health or joint-county department of health is obtained, and the establishment shall be conducted in accordance with the regulations prescribed by the county department of health or joint-county department of health; and that no establishment for bone boiling or depository of dead animals shall continue to be operated or shall be erected and operated within any city or borough which is not within the jurisdiction of a county department of health or joint-county department of health, unless the permission of the board of health of said city or borough shall have been obtained, and the said establishment shall be conducted in accordance with the regulations prescribed by the said board of health; and further, in case a bone boiling establishment or depository of dead animals exists, or is erected and conducted in any township which is not within the jurisdiction of a county department of health or joint-county department of health, the same shall be conducted under the supervision and subject to the regulations prescribed by the State Department of Health.