A/HRC/21/4 Special Rapporteurs have been denied, both from the UN and the OAS. On the contrary, Ecuador maintains standing invitations for all Special Rapporteurs. 136.3. Establish clear consultation procedures in order to implement the right to free, prior and informed consent of indigenous peoples as contained in the Constitution (Germany); The Constitution of the Ecuadorian State establishes consultation as a right of all Ecuadorians, but particularly for communities, peoples and nationalities, a previous, free and informed consultation, but not their consent. Additionally, it is necessary to indicate that Ecuador recognizes the existence of indigenous peoples living in voluntary isolation, with the consequent obligation of guaranteeing their lives, of respecting and making others respect their self-determination and will to remain in isolation, and defend the validity of their rights, which turns unviable obtaining their consent. 137. All conclusions and/or recommendations contained in the present report reflect the position of the submitting State(s) and/or the State under review. They should not be construed as endorsed by the Working Group as a whole. III. Voluntary pledges and commitments 138. The State of Ecuador assumed the following voluntary commitments: (a) To continue its efforts to implement a human rights information system with support from OHCHR; (b) To share with the public sector and with civil society the recommendations and voluntary commitments from the second universal periodic review; (c) To share the Ecuadorian experience and provide interested countries with assistance relating to its programmes in the field of inclusion of persons with disabilities; (d) To develop monitoring mechanisms for following up the implementation of recommendations from the universal periodic review; (e) To ratify communication procedures relating to human rights treaties. 23