National Implementation
The most pressing concern in the legal fight for the promotion and protection of human rights is the inadequate incorporation of international human rights standards into national legislation and case-law. In response, the ICJ's National Implementation Programme aims to assist in the national implementation of international human rights standards both through direct monitoring and the provision of expert technical assistance.
In addition, the ICJ's National Implementation Programme also encompasses the activities of the ICJ's Center for the Independence of Judges and Lawyers (CIJL). The CIJL was established in 1978 to safeguard the independence of judges and lawyers and protect them from attacks and harrassment. The core work of the CIJL is to promote international standards relating to the need for an independent and impartial tribunal and to ensure that Governments implement these standards in their legislation and practice.
Evolving Law
However, national implementation is inevitably subject to social, political and technological realities and the interdisciplinary challenges presented by other branches of international law. In response, the ICJ's Evolving Law Programme aims to add precision to exisiting human rights standards, to clarify the interaction between human rights standards and other branches of international law, and to propose new international standards where required.
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BTW out of 60 Commissioners from all over the world, 2 are from the US.
Also, even though the US has been vocal and proud about not participating in the ICC, they've been in the ICJ, the International Court of Justice, for decades!
The International Commission of Jurists specializes in human rights laws, such as ethnic intimidation type cases.
**** NOTE the verbage from their Programme page above:****
"to ensure that Governments implement these standards in their legislation and practice."