my $if_pkgpart = $self->option('if_pkgpart') || {};
grep $if_pkgpart->{ $_->pkgpart },
$cust_main->referral_custnum_cust_main->ncancelled_pkgs;
my $if_pkgpart = $self->option('if_pkgpart') || {};
grep $if_pkgpart->{ $_->pkgpart },
$cust_main->referral_custnum_cust_main->ncancelled_pkgs;