On April 29, The Standing Committee of the National People’s Congress enacted a new People’s Republic of China law concerning guarding "State Secrets." The law will be in effect beginning October 1, 2010.
Source: VOA, May 6, 2010
http://www1.voanews.com/chinese/news/-20100506-CHINA-NEW-STATE-SECRETS-LAW-LEAVES-JOURNALISTS-EXPOSED-92961114.html