+my @post_desc_header = ();
+my @post_desc = ();
+my @post_desc_null = ();
+my $post_desc_align = '';
+if ( $conf->exists('enable_taxclasses') ) {
+ push @post_desc_header, 'Tax class';
+ push @post_desc, 'taxclass';
+ push @post_desc_null, '';
+ $post_desc_align .= 'l';
+ push @select, 'part_pkg.taxclass'; # or should this use override?
+}
+