my $cust_tax_exempt_pkg = new FS::cust_tax_exempt_pkg {
'billpkgnum' => $self->billpkgnum,
'creditbillpkgnum' => $self->creditbillpkgnum,
my $cust_tax_exempt_pkg = new FS::cust_tax_exempt_pkg {
'billpkgnum' => $self->billpkgnum,
'creditbillpkgnum' => $self->creditbillpkgnum,