my $cust_pkg = $cust_pkg{$cust_bill_pkg->pkgnum}
||= $cust_bill_pkg->cust_pkg;
my $pkgpart = $cust_bill_pkg->pkgpart_override || $cust_pkg->pkgpart;
my $cust_pkg = $cust_pkg{$cust_bill_pkg->pkgnum}
||= $cust_bill_pkg->cust_pkg;
my $pkgpart = $cust_bill_pkg->pkgpart_override || $cust_pkg->pkgpart;