The UK Forensic Science Regulator has published revised Expert Report Guidance (Issue 2)

Guidelines for Opinions and Testimony in Forensic Toxicology

Two New Home Office Reports published in November 2018

The Forensic Science Regulator: Forensic toxicology standards

Forensic Science Regulator Annual Report 2017

The United Nations Office on Drugs and Crime have published 'Recommended methods for the Identification and Analysis of Fentanyl and its Analogues in Biological Specimens'

The American Federal Department of Transportation (DOT) have made a final ruling on the proposed rules to include opioids in their drug testing program.

Expert and Non-Expert Report Guidance - UK Forensic Science Regulator

Changes to American Academy of Forensic Science standards

The Forensic Science Regulators Newsletter No 29