-% } else {
-% warn "unknown national_id format";
- <INPUT TYPE="hidden" NAME="national_id0" VALUE="<% $cust_main->national_id |h %>">
+% } else { # elsif ( $cust_main->national_id =~ /^\w\d{9}$/ ) {
+% $old = $cust_main->national_id;
+% #} else {
+% # warn "unknown national_id format";
+%# <INPUT TYPE="hidden" NAME="national_id0" VALUE="<% $cust_main->national_id |h %>">