http://www.englishforums.com/English/BusinessFinanceEnglish/Forum33.htmMeetings, negotiations, marketing and international trade are only some of the areas you can find here.enXMOD (Build: 3615.39139)http://www.englishforums.com/English/WhereWriteMembership/hbqdb/post.htmWed, 25 Mar 2009 11:55:47 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:594236rubab_parinaz0http://www.englishforums.com/English/WhereWriteMembership/hbqdb/post.htmhttp://www.englishforums.com/English/comments33-594236.xmlI was supposed to write an apology letter for delay in payment of membership fee to a business group, but i did not know where to put the membership no. My teacher said that the membership no should be written in place of reference no. like this. .......street....... .......Bldg, Office no..... &nbs