Taiwan News, December 17, 2011
http://www.taiwannews.com.tw/etn/news_content.php?id=1790099
Related information:
北京市微博客发展管理若干规定 (Several Regulations of Beijing Municipality on the Administration of Microblog Development)
Information Office of the Beijing Municipal People's Government et al, December 16, 2011
http://news.china.com.cn/txt/2011-12/16/content_24172013.htm