Payment Terms & Late Fees

How to State Payment Terms on an Invoice

State the term in words, the exact due date, your accepted payment methods, and a reference. Clear, specific terms remove the customer's easiest excuses for paying late.

In this answer

  • List the elements every invoice should show
  • Write the term and due date unambiguously
  • Make payment quick and frictionless
  • Reference your terms of trade correctly
  • Avoid wording that invites disputes

4 min

The four things to include

Good payment terms on an invoice cover four things, and leaving any of them out creates exactly the kind of friction that slow payers rely on. State the term, the due date, the accepted payment methods, and a reference the customer must quote when they pay. Each one removes an excuse: the term sets the expectation, the date sets the deadline, the methods make paying easy, and the reference makes sure the money is matched to the right invoice.

  • Term — for example "net 14", stated in words
  • Due date — the actual calendar date, not just the term
  • How to pay — bank name, BSB and account, card link or BPAY
  • Reference — the invoice number the customer should quote

Write the term and date together

Do not make the customer calculate anything, because every calculation is a chance for them to get it wrong in their own favour. Instead of just "net 30", write the two together: "Payment terms: net 30 — due 31 July 2026." Pairing the term with the actual date removes a whole category of "I thought it was due later" excuses and gives you a firm point to chase from.

Put this near the top of the invoice, or in a clearly labelled box, rather than burying it in fine print at the bottom. The due date should be one of the most visible figures on the page, sitting alongside the amount payable, so that even a customer who only glances at the invoice cannot miss when it is due. Visibility does real work here: an invoice whose deadline is obvious is far more likely to be paid on time.

Make paying effortless

The easier it is to pay, the faster you get paid — friction at the payment step is one of the quietest causes of late payment. Show your bank account name, BSB and number in full, add any card or BPAY option you accept, and tell the customer exactly what reference to use so the payment lands against the right invoice. A pay-online link removes the last bit of effort by letting the customer pay in a couple of clicks rather than logging into their banking and typing details by hand.

None of this needs to be fiddly to produce. You can generate a clean, consistent invoice with all of these details set out properly using our payment terms generator alongside a standard invoice template, and reuse the same clear format every time.

Reference your terms — and your late fees

If you have terms of trade, note on the invoice that it is subject to them, so the customer is reminded that a broader agreement governs the transaction. If your terms include interest on overdue amounts, you can add a short line such as "Overdue amounts accrue interest at the rate set out in our terms of trade." Be clear-eyed about what that line does, though: interest and late fees are only enforceable if they are in the terms the customer actually agreed to before trading — a line printed on the invoice alone is much weaker, because the customer never signed up to it. This is general information, not legal advice.

Keep the wording firm but neutral throughout. The goal of the invoice is a clear, professional record of what is owed and when, not a threat — and a calm, complete invoice is both more persuasive and easier to rely on later than an aggressive one.

Key takeaways

  • Show the term, due date, payment methods and reference
  • Pair the term with the actual calendar due date
  • Make the due date and amount highly visible
  • Give complete, correct payment details
  • Reference terms of trade for any late-fee clause

Frequently asked questions

Should the due date or the term be more prominent?

Show both, but the actual due date should be highly visible. Customers act on dates, not on calculating what 'net 14' means from the invoice date.

Do I have to mention late fees on the invoice?

No, but a short reminder that overdue amounts accrue interest under your terms can encourage on-time payment. The fee is only enforceable if it is in your agreed terms of trade.

Can I just say 'payment on receipt'?

You can, but it is vague. A specific term and date are clearer and easier to enforce than 'on receipt', which customers often treat as open-ended.

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