Adding an authorise user

[#1]

I would like to authorise my flatmate to use the account. I can't get through to the customer service over the phone. Can someone help me with this?

[#2]

Try raising a ticket here https://www.plus.net/wizard/index.html?p=wizard&page=22931&wizard_id=38although calling 0800 432 0200 may be quicker