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Invoicing

Dunning: payment reminders that send themselves

Set up your reminder sequence once – Nori chases overdue customers automatically, with a fee, a new payment deadline and a PDF reminder letter.

Updated 2 Nov 2026

When an invoice stays open past its payment term, dunning takes over. You define once which steps there are and when they go out – from a friendly payment reminder to the final notice. Every step is sent to your customer as an email with its own PDF reminder letter, with a fee and a new payment deadline if you like.

Set up the reminder sequence

How to set up your reminder sequence

  1. 1 Open Reminders
    Open “Invoices” → “Reminders”. “Reminder sequence” lists every step in the order it is sent.
  2. 2 Add a step
    Click “Add step” and give it a name, such as “Payment reminder” or “1st reminder”.
  3. 3 Automatic or manual
    With “Send automatically” Nori sends the step itself – the first a set number of days after the invoice due date, each further one days after the previous reminder. Without the switch the step stays manual. Automatic steps have to come first in the sequence.
  4. 4 Deadline and fee
    Set under “Payment deadline (days)” by when the customer has to pay after this reminder, and under “Reminder fee” a fixed amount or a percentage of the outstanding amount.
  5. 5 Texts and save
    Adjust the document title, subject and body per language – or keep the prepared text snippets – and click “Save Changes”.

Every reminder that goes out moves an invoice to the next step. If you change the sequence later, invoices keep what they already received; a step that now sits before a letter they already have is skipped for them.

Send a reminder by hand

To chase a single invoice, open the overdue invoice and click “Send Reminder”. In the dialog you pick the recipients, check the fee, payment deadline, subject and message, and send the reminder. Nori suggests the next step of your sequence automatically.

To chase several overdue invoices at once, select them in the invoice list and click “Send Reminder” in the bar at the bottom. The review panel shows every email with its PDF; tick what should go out and send it all with one click.

Collective reminder

If a customer has several invoices due, send one collective reminder instead of many single letters: one letter and one email covering every due invoice. You start it on the customer page with “Send collective reminder” and can leave out individual invoices. Each invoice it covers still moves up one reminder step.

“Recently Sent Reminders” shows which reminder went to whom and when – and whether delivery failed. Once the payment arrives, bank matching closes the invoice and the sequence ends on its own.

Still stuck?

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