+ 'Contact email(s)' => 'contact_list_emailonly',
+ 'Invoices' => 'contact_list_cust_invoice_only',
+ 'Messages' => 'contact_list_cust_message_only',
+# FS::Upgrade::upgrade_config removes this from existing cust-fields settings
+# 'Payment Type' => 'cust_payby',