We need a NI number to effectively administer your
National Insurance record. You must also have an
NI number before you can be registered for Self
Assessment. If you do not have one, phone Jobcentre
Plus on 0845 6000 643 to make an appointment to attend
an evidence of identity interview to get one. Without a
valid NI number we will not be able to provide you with a
Unique Taxpayer Reference (UTR