+my $header = [ '#', 'Class' ];
+my $fields = [ 'classnum', 'classname' ];
+my $links = [ $link, $link ];
+
+if($conf->exists('cust_main-require_censustract')) {
+ push @{$fields}, 'fcc_ds0s';
+ push @{$header}, 'FCC form 477 voice-grade equivalents';
+ push @{$links}, '';
+}
+
+my $cat_query = 'SELECT COUNT(*) FROM pkg_class where categorynum IS NOT NULL';
+my $sth = dbh->prepare($cat_query)
+ or die "Error preparing $cat_query: ". dbh->errstr;
+$sth->execute
+ or die "Error executing $cat_query: ". $sth->errstr;
+if ($sth->fetchrow_arrayref->[0]) {
+ push @$header, 'Category';
+ push @$fields, 'categoryname';
+ push @$links, $link;
+}
+