my $cust_tax_exempt_pkg = new FS::cust_tax_exempt_pkg {
'billpkgnum' => $self->billpkgnum,
'creditbillpkgnum' => $self->creditbillpkgnum,
- 'amount' => 0-$amount,
+ 'amount' => sprintf('%.2f', 0-$amount),
map { $_ => $exemption->$_ } split(',', $groupby)
};
my $error = $cust_tax_exempt_pkg->insert;