The immigration act 2016

Due to the Immigration Act 2016, everyone who applies for a driver or operator licence, will have to prove their right to work in the UK. 

That means driver and operator licences will not be issued to people who are in the UK illegally, are not permitted to work, or are subject to a condition that prohibits them from holding such a licence. 

If you have permission to be in the UK for a limited length of time then, if you are issued a driver or operator licence, it will be limited to the duration of the permission you have to stay.

There are a number of documents which can be produced to prove your right to work and they are listed in the licence application packs.