Originally Posted by
David-A
[b]Worth pointing out, although they are increasingly printed out for you 'there-and-then' from a credit card like machine at the retailer onto very narrow thermal 'till recipt' type paper, what you are actually presenting to be stamped by customs is a (retailers custom printed version) of a formal Retail Export Scheme refund form. [Some still have their own forms that are normal A4 paper sized forms, etc.]
That is a very important thing to point out - thanks! At the time of purchase, the merchant produced a filled out and stamped a separate tax free form, which was indeed required at the VAT refund at LHR.