The Government Says

Local government reorganisation: decision letter to Norfolk council leaders

Local government reorganisation: decision letter to Norfolk council leaders
Local copy of SoS_-_Letter_to_Norfolk_Leaders_25.03.26.pdf

https://www.gov.uk/government/publications/local-government-reorganisation-decision-letter-to-norfolk-council-leaders

seen at 15:24, 25 March in News and communications.