08-02-2016 8:10 AM
If there are more than 12 hours to go on the auction then give them permission to retract and send them the link.
http://offer.ebay.co.uk/ws/eBayISAPI.dll?RetractBidShow - they likely want you to cancel so it doen' show on their account.
If there are less than 12 hours then they can't retract and you need to cancel
http://offer.ebay.co.uk/ws/eBayISAPI.dll?CancelBidShow