| Date | Category | Guidance | Changes |
|---|---|---|---|
| Investigation | Policing drugs | Addition of links to Home Office guidance and circular 006/2023 in section on 'Nitrous oxide'. |
|
| Investigation | Policing drugs | Addition of new content on nitrous oxide. |
|
| Investigation | Policing drugs | Addition of link to Briefing Paper on Psychoactive Substances Act 2016 and associated revisions to APP text. |
