The Clerk of Council shall cause a schedule of the time(s) and place(s) of the regular meetings of each public body to be posted. The schedule of regular meetings for all public bodies for the calendar year, to the extent that it is known, shall be posted at least seven days prior to the first regular meeting of the year. The Clerk of Council shall from time to time check to insure that the schedule has remained posted. If at any time changes or additions are made to the schedule, the Clerk of Council shall promptly post such changes or additions.