The NRA has established itself as a Unitied Nations NGO - non governmental organization. As such, its relationship with the UN is governed by the following:
PRINCIPLES TO BE APPLIED IN THE ESTABLISHMENT OF CONSULTATIVE RELATIONS
The following principles shall be applied in establishing consultative relations with non-governmental organizations:
1. The organization shall be concerned with matters falling within the competence of the Economic and Social Council and its subsidiary bodies.
2. The aims and purposes of the organization shall be in conformity with the spirit, purposes and principles of the Charter of the United Nations.
3. The organization shall undertake to support the work of the United Nations and to promote knowledge of its principles and activities, in accordance with its own aims and purposes and the nature and scope of its competence and activities.
http://www.un.org/documents/ecosoc/res/1996/eres1996-31.htm