Renews the measures on arms, transport, finance and travel imposed by resolution 1807 (2008) until 1 July 2016, and extends the mandate of the Group of Experts until 1 August 2016. Calls on the Government of the DRC to enhance stockpile security, accountability and management of arms and ammunition, with the assistance of international partners, to address urgently reports of diversion to armed groups. Recalls the mandate of MONUSCO to monitor the implementation of the arms embargo, in cooperation with the Group of Experts, and requests MONUSCO to assist the Sanctions Committee and the Group of Experts, within its capabilities, including by passing information relevant to the implementation of the sanctions measures. Welcomes measures taken by the Governments in the region to implement the Group of Experts due diligence guidelines, including adopting the Regional Certification Mechanism of the ICGLR into their national legislation, in accordance with OECD Guidance and international practice, and requests the extension of the certification process to other Member States in the region, and encourages all States, particularly those in the region, to continue to raise awareness of the due diligence guidelines.