The Implementation Review Group is a subsidiary body of the Conference of the States Parties to the United Nations Convention against Corruption. It is responsible for having an overview of the review process and consider technical assistance requirements for the effective implementation of the Convention.

In 2016, the Group adopted a multi-year workplan for its analytical work, covering the period from 2017 to 2019. This workplan dedicates each session and resumed session of the Group to a particular topic. The Group holds one session and a maximum of two resumed sessions per year, during which time participants are able to share information on the country reviews and discuss substantive issues related to the reviews and to technical assistance.