Zoho Books/Invoice: Stop an invoice from being saved that does not have every item tagged? In other words, require every item to be tagged

Zoho Books/Invoice: Stop an invoice from being saved that does not have every item tagged? In other words, require every item to be tagged

Is there a way to require each line item on an invoice to be tagged with a project or custom tag? Ideally the invoice would not be saved until everything was tagged.