In 2001 over one hundred and eighty nations were represented in a special Session of the United Nations General Assembly on HIV/AIDS. They committed themselves to promote prevention and treatments within each country.
If you would like to have further information on the Governance, its budget, and work plan, check out this site. On the main page of the web site there are diverse links on the top, such as: policy and practice, country responses, cosponsors, partnerships, etc. In addition, there is a section designated to knowledge center in which you will see: AIDS epidemic update, epidemiology, resource tracking, policy and guidance, multimedia centre, speeches, feature stories, fast facts about HIV, etc. At the policy and practice link there is information on sexual and reproductive health, stigma and discrimination, science and research, and many more. Furthermore, there are HIV care and support links as well as diverse treatments. 
