Public protection manual: PSI 18/2016, PI 17/2016

Guidelines for prison and probation staff on assessing and managing a prisoner’s risk during their time in custody and in preparation for release.

Applies to England and Wales



This prison service instruction (PSI) and probation instruction (PI) contains the public protection manual. It is a guide for prison and probation staff on assessing and managing ongoing risks, imposing additional restrictive measures and sharing information with other agencies.

It includes guidance on:

  • multi-agency public protection arrangements (MAPPA) for the management of violent and sex offenders
  • use of the violent and sex offender register (ViSOR)
  • the role of the Disclosure and Barring Service (DBS)
  • safeguarding and promoting the welfare of children
  • restricting the possession of certain materials
  • arrangements for prisoners managed under harassment procedures, sex offender registration or with terrorist notification requirements

This is a current PSI and PI. It came into effect on 11 January 2017.

Published 23 November 2016
Last updated 4 January 2024 + show all updates
  1. Updated for January 2024

  2. PSI updated.

  3. First published.