Mass. Gen. Laws ch. 131 § 9
If an order is made by the director establishing a wildlife sanctuary, as provided in section seven, he shall cause a copy of the order to be published once a week for two successive weeks in one or more newspapers published in the counties embracing the territory, and shall cause copies of the order to be posted in conspicuous places within the cities and towns where the territory is situated, and also within the limits of the territory itself. If a great pond or any part thereof, or any seashore, is included within the territory, a copy of the order shall be filed in the office of the clerk of each city and town bordering upon the pond or seashore, and also in the office of the state secretary. An order made by the director in accordance herewith shall take effect when posted as above provided, and shall contain a full description of the territory so established and the period for which it is closed.
Mass. Gen. Laws ch. 131, § 9