my $old_tract = $q->{$pre.'censustract'};
my $cache = eval { FS::GeocodeCache->new(%location) };
$cache->set_censustract;
-my $year = FS::Conf->new->config('census_year');
+my $year = FS::Conf->new->config('census_legacy') || '2020';
my $new_tract = $cache->get('censustract');
my $error = $cache->get('censustract_error');