- credit_amount => $haben->{amount},
- credit_tax => $haben->{tax_accno} ? $tax_amount : 0,
- tax => $tax_amount,
+ credit_amount => $::form->format_amount($myconfig, abs($haben->{amount}),5),,
+ credit_tax => $haben->{tax_accno} ? $::form->format_amount($myconfig, $tax_amount, 5) : 0,
+ tax => $::form->format_amount($myconfig, $tax_amount, 5),