+ $return;
+
+};
+
+my %usage_class = map { ($_->classnum => $_->classname) }
+ qsearch('usage_class', {});
+$usage_class{setup} = 'Setup';
+$usage_class{recur} = 'Recurring';
+
+my %taxproduct_fields = ();
+my $end_callback = sub {
+ my( $cgi, $object, $fields, $opt ) = @_;
+
+ @taxproductnums = ( qw( setup recur ), sort (keys %taxproductnums) );
+
+ if ( $object->pkgpart ) {
+ foreach my $usage_class ( '', @taxproductnums ) {
+ $tax_override{$usage_class} =
+ join (",", map $_->taxclassnum,
+ qsearch( 'part_pkg_taxoverride', {
+ 'pkgpart' => $object->pkgpart,
+ 'usage_class' => $usage_class,
+ })
+ );
+ }
+ }
+
+ %taxproduct_fields =
+ map { $_ => [ "taxproductnum_$_",
+ { type => 'select-taxproduct',
+ #label => "$usage_class{$_} tax product",
+ },
+ "tax_override_$_",
+ { type => 'select-taxoverride' }
+ ]
+ }
+ @taxproductnums;
+
+ $taxproduct_fields{'(default)'} =
+ [ 'taxproductnum', { type => 'select-taxproduct',
+ #label => 'Default tax product',
+ },
+ 'tax_override', { type => 'select-taxoverride' },
+ ];
+};
+
+my $taxproduct_values = sub {
+ my ($cgi, $object, $flags) = @_;
+ my $routine =
+ sub { my $layer = shift;
+ my @fields = @{$taxproduct_fields{$layer}};
+ my @values = ();
+ while( @fields ) {
+ my $field = shift @fields;
+ shift @fields;
+ $field =~ /^taxproductnum_\w+$/ &&
+ push @values, ( $field => $options{"usage_$field"} );
+ $field =~ /^tax_override_(\w+)$/ &&
+ push @values, ( $field => $tax_override{$1} );
+ $field =~ /^taxproductnum$/ &&
+ push @values, ( $field => $object->taxproductnum );
+ $field =~ /^tax_override$/ &&
+ push @values, ( $field => $tax_override{''} );
+ }
+ { (@values) };
+ };
+
+ my @result =
+ map { ( $_ => { &{$routine}($_) } ) } ( '(default)', @taxproductnums );
+ return({ @result });
+