listref of start date, end date
+=item anniversary_date
+
+listref of start date, end date
+
=item payby
listref
# dates
##
- foreach my $field (qw( signupdate birthdate spouse_birthdate )) {
+ foreach my $field (qw( signupdate birthdate spouse_birthdate anniversary_date )) {
next unless exists($params->{$field});