Term and Fees text support {{placeholder}} tokens (start_date, end_date, term_days, total, initial, remaining, initial_due_description, remaining_due_date, product_name) which are resolved at render time against the actual invoice.
New clients created from this template will have this link set as their default Payment Link URL. You can still override it per client on the client detail page.
Templates with this enabled will seed new clients with the clause pre-enabled. You can still toggle it per client on the client detail page.