The Department shall, upon the adoption of any Order restricting and classifying rivers and streams, post signs within the river corridor along the banks of those rivers and streams whose waters have been restricted and classified under M.G.L. c. 21A, § 11C. The sign shall indicate that the river or stream has been restricted and classified pursuant to the authority granted by the M.G.L. c. 21A, § 11C.
302 CMR, § 3.12