Reaffirms the importance of establishing appropriate processes and mechanisms to achieve justice, reconciliation, truth and accountability for violations and abuses of international human rights law and violations of international humanitarian law, and reparations and effective remedies for victims and survivors, and the prerequisite role that accountability and transitional justice mechanisms, with the meaningful participation of victims, can play in any effort to bring about a sustainable, inclusive and peaceful conclusion to the conflict, welcomes in this regard victim-led initiatives on truth and justice, also welcomes the significant endeavours of the Independent International Commission of Inquiry on the Syrian Arab Republic and the International, Impartial and Independent Mechanism to Assist in the Investigation and Prosecution of Persons Responsible for the Most Serious Crimes under International Law Committed in the Syrian Arab Republic since March 2011, while noting the important role that the International Criminal Court can play in this regard, and demands that the Syrian authorities cooperate fully with the Human Rights Council and the Commission of Inquiry by granting the Commission immediate, full and unfettered access throughout the Syrian Arab Republic;