Parties with Standing 

Mr. Maher Arar
The Attorney General of Canada
The Ontario Provincial Police in so far as the evidence affects its interests.

The Ottawa Police Service in so far as the evidence affects its interests.

Individual RCMP officers in so far as the evidence affects their interests.

Intervenor Standing

The coalition of :

The Canadian Council on American-Islamic Relations and The Canadian Arab Federation

Muslim Canadian Congress

The Canadian Islamic Congress
The National Council on Canada-Arab Relations
The Muslim Community Council of Ottawa-Gatineau 

The British Columbia Civil Liberties Association
The Minority Advocacy and Rights Council
The Canadian Labour Congress
The Law Union of Ontario
The International Civil Liberties Monitoring Group
The Council of Canadians and the Polaris Institute 

The Redress Trust, The Association for the Prevention of Torture, and The World Organization Against Torture

Amnesty International
The International Campaign against Torture