I've received this email from refunds :
"This email is to acknowledge receipt of your email,
Due to high volumes of emails received at the moment we currently have a 10 working day response time.
Please accept our apologies for any inconvenience this may cause but
should your query be urgent you can contact us by telephone on
00(44) 1332 854534 between 8:00am and 15:30pm Monday - Friday.
Yours
bmi Revenue Services
0044 1332 854534"
I've tried to call but each time I'm receiving the same answer : "All agents are busy - Try Again"
