Tax calculation in voucher match

Hi,

we need to know how tax amounts are being calculated in voucher match applications. We can see total tax amount in F0411.STAM, buy we can not see the detail until the batch is posted and generates F0018 records. In case invoice has a tax area with more than one tax rate, tax detail is not available until batch is posted. We need this detail because we print a document after voucher match and before posting the batch, where tax detail is needed. Is there any way to get the tax detail before posting the batch? In there any function that