Section 29. Each municipality, acting through its city council, board of selectmen, or board of aldermen, shall designate a senior level employee of the municipality as its liaison to the state ethics commission. The municipality shall notify the commission in writing of any change to such designation within 30 days of such change. The commission shall disseminate information to the designated liaisons and conduct educational seminars for designated liaisons on a regular basis on a schedule to be determined by the commission in consultation with the municipalities.