Final invoice email / final notice
By the time you need a final invoice email, the tone has run out of patience. The trick is to keep the relationship: a deadline, a consequence, and an off-ramp.
When to send it: Send after the firm reminder has been unanswered for a week.
Drafted at tonefinal
Subject: Final notice: invoice {{invoice_number}}
Hi {{client_name}},
This is a final note about invoice {{invoice_number}} for {{amount}}, due {{due_date}}.
{{personal_touch}}
If something needs changing, reply here — I'll sort it today. Otherwise I've marked {{invoice_number}} for settlement.
Best,
{{sender_name}}final invoice emailfinal payment reminderinvoice final notice