my $conf = FS::Conf->new;
my $method = $conf->config('tax_district_method')
or return; #nothing to do if null
my $self = $class->by_key($id) or die "object $id not found";
my $conf = FS::Conf->new;
my $method = $conf->config('tax_district_method')
or return; #nothing to do if null
my $self = $class->by_key($id) or die "object $id not found";