The Government Says

Letter from the Security Minister to the Interim Independent Prevent Commissioner

Letter from the Security Minister to the Interim Independent Prevent Commissioner
Local copy of Security_Minister_to_Lord_Anderson_100426_.pdf

https://www.gov.uk/government/publications/letter-from-the-security-minister-to-the-interim-independent-prevent-commissioner

seen at 17:29, 10 April in News and communications.