An announcement was made on 24 September 7 December 2012 for Public Comment on the draft report: " “Procedure to Develop and Maintain the Label Generation Rules for the Root Zone in Respect of IDNA Labels " – Second Public Comment Draft” [PDF, 437 790 KB].
Please visit: http://www.icann.org/en/news/announcements/announcement-3-24sep1207dec12-en.htm