Originally Posted by
harryhv
If you used a credit card, just ask for a receipt that way - you should be able to do this online by clicking on the transaction and submitting a query. Not necessarily a chargeback, though I'm sure that would get BA off their butts to write the damn receipt.
That will simply result in the chargeback being denied and, unless one is a decent customer of the card issuer (bank), the card being cancelled. The card issuer bears the administrative costs of a chargeback which are estimated to run EUR 35-40 in the industry.