You don't need to pay anything.My accountant informs me that as long as the invoice is rendered before 31st December it qualifies for 15% VAT, it dosn't mater when the account is settled.
most our clients state 60days and then you start to get charged a %
The GTD is like a blow up doll. The GTI is like a proper woman. Sure the doll might last longer, and the woman might have higher running costs, but which would you rather have?