The Code of Practice (English Language Requirements for Public Sector Workers) Regulations 2016
Under section 77(1) of the Immigration Act 2016 (c.19) a public authority must ensure that each person who works for the public authority in a customer-facing role speaks fluent English. Under section 77(2) of that Act in determining how to comply with this duty a public authority must have regard to the code of practice issued under section 80(1) of that Act that is for the time being applicable to that authority.