Invites States and relevant bodies and organizations of the United Nations system , including relevant human rights mandate holders and treaty bodies and the regional commissions , as well as intergovernmental organizations with an interest in the matter , to make contributions to the work entrusted to the Working Group , as set out in paragraph 1 above , and invites relevant nongovernmental organizations to contribute , as appropriate , on the basis of the modalities for participation agreed by the Working Group ; 4 . Requests the SecretaryGeneral , with the support of the Office of the United Nations High Commissioner for Human Rights , the Division for Social Policy and Development of the Department of Economic and Social Affairs of the Secretariat and the United Nations Entity for Gender Equality and the Empowerment of Women ( UNWomen ) , to submit to the Working Group by its fourth session and from within existing resources a compilation of existing international legal instruments , documents and programmes that directly or indirectly address the situation of older persons , including those of conferences , summits , meetings or international or regional seminars convened by the United Nations and intergovernmental and nongovernmental organizations ; 5 .