The commissioner shall, before adopting, amending, modifying or repealing any such order, hold a public hearing thereon in the county in which the coastal wetlands to be affected are located, giving notice thereof to each owner having a recorded interest in such wetlands by mail at least 21 days prior thereto addressed to his address as shown in the municipal tax office records and by publication thereof at least twice in each of the 3 weeks next preceding the date of such hearing in a newspaper of general circulation in the municipality or municipalities in which such coastal wetlands are located.
Upon the adoption of any such order or any order amending, modifying or repealing the same, the commissioner shall cause a copy thereof, together with a plan of the lands affected, including reference to the filed wetlands map or maps on which the same are shown and a list of the owners of record of such lands, to be recorded in the office of the county clerk or register of deeds, where it shall be indexed and filed as a judgment, and shall mail a copy of such order and plan to each owner of record of such lands affected thereby.