This report covers the work carried out by the Joint Implementation Supervisory Committee (JISC) from 1 October 2015 to 21 September 2016. The work carried out in the reporting period included the preparation of mandated recommendations relating to the implementation of the draft joint implementation (JI) modalities and procedures, which were submitted to the Subsidiary Body for Implementation at its forty-fourth session, and reflections on and analysis of experiences and lessons learned from JI, which are included in this report for the consideration of the Conference of the Parties serving as the meeting of the Parties to the Kyoto Protocol. The JISC also adopted changes to the JI accreditation system, allowing designated operational entities under the clean development mechanism to serve as accredited independent entities under JI.