No. UK public bodies are not mandated to have modern slavery statements. Only organisations over £36Million turnover with a trading footprint (buying or selling) in the UK need to have a statement. There is a Modern Slavery (Transparency in Supply Chains) Private Members' Bill sponsored by Baroness Young of Hornsby which would impact on how UK public bodies implement the Act as part of their procurement processes. The date for the second reading has yet to be announced.