In U.S. Bellmont Principal is a policy not a law.
Informed consent, the core of the Nuremberg Code, has rightly been viewed as the protection of subjects' human rights. The key contribution of Nuremberg was to merge Hippocratic ethics and the protection of human rights into a single code.
The Nuremberg Code and the related Declaration of Helsinki are the basis for the Code of Federal Regulations Title 45 Part 46, which are the regulations issued by the United States Department of Health and Human Services for the ethical treatment of human subjects, and are used in Institutional Review Boards.