The World Anti-Doping Agency (WADA) published the list of doping-related substances and methods that are prohibited from use for 2012.  The list went into effect on January 1, 2012. Published as part of this posting are the following documents and only available in English:

Announcement of publishing (includes overview of changes):
http://www.wada-ama.org/en/News-Center/Articles/WADA-publishes-2012-Prohibited-List/

Summary of major changes from 2012:
http://www.wada-ama.org/Documents/World_Anti-Doping_Program/WADP-Prohibited-list/2012/WADA_Summary_Modifications_2012_List_EN.pdf

Monitoring program for 2012:
http://www.wada-ama.org/Documents/World_Anti-Doping_Program/WADP-Prohibited-list/2012/WADA_Monitoring_Program_2012_EN.pdf

Prohibited list for 2012:
http://www.wada-ama.org/Documents/World_Anti-Doping_Program/WADP-Prohibited-list/2012/WADA_Prohibited_List_2012_EN.pdf

The prohibited list is the basis for anti-doping testing in all countries and activities which have accepted the World Anti-Doping Code (which includes FINA, the International Olympic Committee and the International Paralympic Committee).