The Immigration (Restrictions on Employment) Order 2007

This section has no associated Explanatory Memorandum

8.  A letter issued by the Home Office or the Border and Immigration Agency to the holder or the employer or prospective employer, which indicates that the person named in it can stay in the United Kingdom and is allowed to do the work in question when produced in combination with an official document giving the person’s permanent National Insurance Number and their name issued by a Government agency or a previous employer.