On 20 December 2017, the National Preventive Mechanism (NPM) made a visit to the Belgrade District Prison, during which it monitored acting on the recommendations sent after the NPM's visit to this Prison in 2015, as well as the recommendations of the European Committee for the Prevention of Torture and Inhuman or Degrading Treatment or Punishment (CPT) from the Report on visit to Serbia carried out the same year.

On the same day, the NPM made a visit to the Belgrade Special Prison Hospital, when the current situation in this institution and the issue of mechanical fixation of patients were considered.