+sub check_taxzone {
+ my ($self, $entry) = @_;
+
+ my $object = $entry->{object};
+
+ # Check wether or not taxzone ID is valid.
+ if ($object->taxzone_id && !$self->taxzones_by->{id}->{ $object->taxzone_id }) {
+ push @{ $entry->{errors} }, $::locale->text('Error: Invalid taxzone');
+ return 0;
+ }
+
+ # Map description to ID if given.
+ if (!$object->taxzone_id && $entry->{raw_data}->{taxzone}) {
+ my $taxzone = $self->taxzones_by->{description}->{ $entry->{raw_data}->{taxzone} };
+ if (!$taxzone) {
+ push @{ $entry->{errors} }, $::locale->text('Error: Invalid taxzone');
+ return 0;
+ }
+
+ $object->taxzone_id($taxzone->id);
+ }
+
+ return 1;
+}