Am I missing something ? I've just filled in my 450D cash back for and I can't find any mention of needing to send in the bar code
http://www.canon.co.uk/Images/Claim form_tcm14-533987.pdf
I did send in the bar code with all my other Canon cash back deals but it seems it's not required with this deal.
"Simply complete this form in BLOCK CAPITALS and post it back by Tuesday 28th October 2008 to
Canon EOS 450D Cashback Promotion, Freepost RRRX-UHCE-RSGT, PWA, 9-12 Eastman Way, Hemel
Hempstead, HP2 7DU, with your original till receipt (or a printed copy of your order confirmation email for
internet purchases) from your purchase. Well send your cheque within 28 days. It couldnt be easier*."