The notice for meeting shall be given before five days from the date of convening the meeting, by written notice delivered by hand , courier , fax , or e-mail . The notice consider as receipt immediately in case that the delivery is by hand ,or in actual receipt in case the delivery is by courier , and in the next working day( after sending the fax or e-mail) in case the delivery is by fax / e-mail . attending the meeting consider as a waiving about the notice for that meeting except if the member is attended the meeting for a specific purpose which is to object the business discussion in meeting , because the meeting illegally, and it is unnecessary to determine the agenda and the purposes of meting in the notice.