Which of the following is NOT a mechanism for promoting human rights by the UN?

The Independent Enforcement Agency is not a recognized mechanism for promoting human rights within the United Nations framework. The UN employs various established mechanisms to monitor and promote human rights, including the Universal Periodic Review, which assesses the human rights records of member states, and the Treaty Bodies, which are committees of experts that oversee the implementation of human rights treaties. Additionally, the Complaint Procedure allows individuals or groups to lodge complaints about human rights violations. However, there is no specific agency within the UN called the Independent Enforcement Agency dedicated to enforcing human rights, making it the option that does not fit within the framework of established UN mechanisms.