206.04   NOTICE OF SPECIAL MEETINGS.
   (a)   Except in the case of a special meeting provided for in Section 206.05(e), the Clerk shall, not later than twenty-four hours before the time of a special meeting of a Municipal body, post a statement of the time, place and purpose of such special meeting.
   (b)   The statement required under subsection (a) hereof, and the notifications required under Section 206.05, shall state such specific or general purpose then known to the Clerk to be intended to be considered at such special meeting and may state, as an additional general purpose, that any other business as may properly come before such Municipal body at such meeting may be considered and acted upon.