+
+ } else {
+
+ my $to_update = $existing[0];
+ # if there's somehow more than one, find the best candidate to be
+ # updated:
+ # - prefer tax > 0 over tax = 0 (leave disabled records disabled)
+ # - then, prefer taxname = the designated taxname
+ if ( scalar(@existing) > 1 ) {
+ $log->warning("tax district ".$tax_info->{district}." has multiple $method taxes.");
+ foreach (@existing) {
+ if ( $to_update->tax == 0 ) {
+ if ( $_->tax > 0 and $to_update->tax == 0 ) {
+ $to_update = $_;
+ } elsif ( $_->tax == 0 and $to_update->tax > 0 ) {
+ next;
+ } elsif ( $_->taxname eq $taxname and $to_update->tax ne $taxname ) {
+ $to_update = $_;
+ }
+ }
+ }
+ # don't remove the excess records here; upgrade does that.
+ }
+ my $taxnum = $to_update->taxnum;
+ if ( $to_update->tax == 0 ) {
+ $log->debug("tax#$taxnum is set to zero; not updating.");
+ } elsif ( $to_update->tax == $tax_info->{tax} ) {
+ # do nothing, no need to update
+ } else {
+ $to_update->set('tax', $tax_info->{tax});
+ $log->info("updating tax#$taxnum with new rate ($tax_info->{tax}).");
+ $error = $to_update->replace;
+ }