private boolean validateDefaultAddress(EntityForm form) {
        boolean foundDefaultAddress = false;

        Address[] addrs = form.getAddresses();
        
        for (int i = 0; i < addrs.length; i++) {
            
            int addressType = addrs[i].getType();
            // primary required for CE's, default required for CN's
            if (addressType == ADDR_TYPE_DEFAULT) {
                foundDefaultAddress = true;
                break;
            }
        }
        
        return foundDefaultAddress;
        
    }