Why this matters
A practical approach to late-payment penalties.
Late-payment terms work best when the invoice, due date and commercial terms were already clear.
What to write before the work moves
Keep a calm, dated record of the invoice number, amount, expected action and each follow-up.
The boundary to keep visible
The applicable rules can differ by client and jurisdiction; check the official source for your case.
Operational example
Late payment: prepare the follow-up before mentioning penalties
If a due date passes, first check what was agreed, the invoice and the accounting contact. Your first message can state the facts, ask for a payment date and create a clear record before any escalation.
- Do not cite a penalty before checking the applicable rules and your documents.
- Separate any undisputed amount from discussions about the project.
- Keep a timeline of reminders, replies and payment commitments.

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