Originally Posted by Swiss Tony

As you know, I had the same problem. I called them up and they said it was for a security check - now on the grounds that Tesco will have to pay BA for those points, it seems legitimate to me that they would want to scrutinise something over a set limit - maybe £100??? If you then spend the points and they pick up some kind of fraud (could always be an inside job) then it would presumably be very difficult to unwind the deal.