The issue of invoice correction with retroactive effect for the purposes of input VAT deduction has been an ongoing issue in recent years. In a recent decision, the Federal Fiscal Court has prompted this discussion to head off in a new direction. On the one hand, the Federal Fiscal Court held that the cancellation and reissue of an invoice could also have a retroactive effect. On the other hand, a retroactive correction of the invoice could also be made to the detriment of the recipient. The latter might retroactively lose his right to deduct input VAT.