sub charge_postal_fee {
my $self = shift;
- my $pkgpart = $conf->config('postal_invoice-fee_pkgpart');
+ my $pkgpart = $conf->config('postal_invoice-fee_pkgpart', $self->agentnum);
return '' unless ($pkgpart && grep { $_ eq 'POST' } $self->invoicing_list);
my $cust_pkg = new FS::cust_pkg ( {