} # else simply ignore them; the UI shouldn't allow editing the fields
+
+ if ( exists($opt{'taxclass'})
+ and $part_pkg->taxclass ne $opt{'taxclass'}) {
+
+ $part_pkg->set('taxclass', $opt{'taxclass'});
+ }
+
my $error;
if ( $part_pkg->modified or $pkg_opt_modified ) {
# can we safely modify the package def?