Originally Posted by
KARFA
just follow the process on the ttp site once you click on renew, i think it will prompt you to go off and get your uk code at a certain point.
the uk code usually comes within a day or two so there isn't much to be gained by going off and doing it first even if that does work.
Yup. This.
It very quickly gets to the 'enter your UK reference code to continue' part and you can go no further without it anyway.