+ return 0 unless $cust_main; #sanity check
+ return 0 unless $cust_main->referral_custnum;
+
+ my $referring_cust_main = $cust_main->referral_custnum_cust_main;
+ return 0 unless $referring_cust_main; #sanity check;
+
+ #referring customer must sign up before referred customer
+ return 0 unless $cust_main->signupdate > $referring_cust_main->signupdate;
+
+ if ( $self->option('active') ) {
+ #check for no cust_main for referral_custnum? (deleted?)
+ return 0 unless $referring_cust_main->status eq 'active';
+ }
+
+ return 1 unless $self->option('check_bal');
+
+ #false laziness w/ balance_age_under
+ my $under = $self->option('balance');
+ $under = 0 unless length($under);
+
+ my $age = $self->option_age_from('age', $opt{'time'} );
+
+ $referring_cust_main->balance_date($age) <= $under;