%# referral (advertising source)
%my $refnum = $cust_main->refnum || $conf->config('referraldefault') || 0;
%if ( $custnum && ! $conf->exists('editreferrals') ) {
%# referral (advertising source)
%my $refnum = $cust_main->refnum || $conf->config('referraldefault') || 0;
%if ( $custnum && ! $conf->exists('editreferrals') ) {