An emergency or special meeting may be called at any time by the Chairman of the Board, or by a majority of the members of the Board, by delivering personally or by mail a notice in writing to each member and to each local newspaper of general circulation and radio or television station requesting notice. Such notice shall be delivered personally or by mail at least twenty-four (24) hours before the time of such meeting as specified in the notice. The call and notice shall specify the time and place of the special meeting and the business to be transacted. No other business shall be considered at such meetings by the Board. Such written notice may be dispensed with as to any member who at or prior to the time the meeting convenes files with the Clerk of the Board a written waiver of notice. Such waiver may be given by telegram. Such written notice may also be dispensed with as to any member who is actually present at the meeting at the time it convenes. (Rule 4, Ord. 555)