A/HRC/4/91 page 22 6. Recognizing the unique role played by NHRIs in the implementation of international human rights standards at the national level, thereby ensuring sustainability of human rights protection, 7. Welcoming the guidance and jurisprudence on issues of migration provided by the human rights treaty bodies and special procedures, and in particular the Committee on Migrant Workers, the Special Rapporteur on the human rights of migrants, the Committee on the Elimination of Discrimination against Women, and the Committee on the Elimination of Racial Discrimination as well as the judgements and findings of regional organizations and mechanisms, 8. Stressing the particular role played by NHRIs as expressed in the Copenhagen and Seoul Declarations adopted by the Sixth and Seventh International Conferences of NHRIs, regarding migration in the context of conflict and terrorism and their commitment in this regard, 9. Welcoming the Recommended Principles and Guidelines on Human Rights and Human Trafficking of July 2002 and General Recommendation 30 (2004) of the Committee on the Elimination of Racial Discrimination on the rights of non-citizens, 10. Recognizing the linkage of international migration, economic growth and development including poverty reduction, 11. Recalling that, as practice shows, physical barriers, including walls, endanger fundamental rights such as the right to life, 12. Welcoming The Guiding Principles on Internal Displacement that were presented to the United Nations in 1998 and were recognized as an important international framework for the protection of internally displaced persons. 13. Urging therefore the continued enhancement of the role and participation of NHRIs in the international human rights system including in the recently established Human Rights Council, Declares that: 14. NHRIs shall advocate for a human rights approach to migration and migration management. NHRIs underline that each State is responsible to guarantee respect for the human rights and fundamental freedoms of all persons regardless of their migration status, 15. NHRIs play an important role in ensuring efficient domestic legal protection of all migrants, including access to justice, non-discrimination and equal treatment, including full and effective protection in all areas of society, 16. NHRIs play a vital role in promoting a society dedicated to diversity as a positive potential for ensuring a cohesive and peaceful society, for innovation and growth, and building on the fundamental principles of equality and mutual respect, 17. NHRIs shall examine and raise awareness of the causes of migration, encompassing economic, political, social, cultural, historical, or other factors leading to migration,