UN CCPR General Comment No. 31 [80]: Nature of the General Legal Obligation Imposed on States Parties to the Covenant (adopted on 26 May, 2004)
The Comment discusses the responsibility of States Parties' to ensure protection and enforcement of rights and freedoms guaranteed by the International Covenant on Civil and Political Rights for all people in their territory, regardless of citizenship. These rights and freedoms include protection from discrimination. The obligation to respect and ensure the rights that are guaranteed by the Covenant should take effect immediately.