Originally Posted by Often1

As this was a ticket covered by EC 261/2004, QF had 7 days to initiate a refund. Presuming that "end" of March meant the 31st, the 7th day would have been 7 April and OP should have initiated a chargeback with his credit card issuer on 8 April. Best to supply everything the issuer (bank) needs, e.g., e-ticket receipt, notice / proof of cancellation, commitment for a refund from QF (with a note that this is due under EC 261/2004).