How to Set a Late Payment Policy for Invoices

A late payment policy is a short written statement of what happens when a client pays an invoice late: when payment is due, whether there's a grace period, whether a late fee applies, how you'll follow up, and when you'll pause work or take further steps. Write it before you need it, share it before the work starts, and apply it the same way to every client. Whether a late fee or interest charge is allowed, and how much, depends on where you and your client are, so check local rules and ask a lawyer where needed.

This page covers writing the policy. For how to calculate and bill a late fee, see how to add late fees to invoices.

What to put in the policy

1. Payment terms: when invoices are due, counted from the invoice date unless you say otherwise. See what is Net 30 and invoice payment terms explained.
2. A grace period, if you offer one: the number of days after the due date you'll wait before anything else happens.
3. Any late fee: whether you charge one, how it's worked out, and when it starts. Check local rules first. See how to add late fees to invoices.
4. Reminder and escalation steps: when you'll send reminders, when you'll call, and when you'll pause work. See how to write invoice payment reminders.
5. Further steps: that you may use a collection agency or other formal steps, without stating a legal outcome. Ask a lawyer about what applies where you work.
6. Waivers: when you might waive a fee, so you treat clients the same way.

Where to publish it

• In your contract or terms of service, which the client accepts before work starts.
• On your quotes or proposals, so it's seen before the client agrees to the price.
• On every invoice, as a short terms line that matches the contract.

Keep the wording the same in every place, so there's one version of the policy.

How to communicate it

Mention the policy when you agree on a new project, and keep the tone factual: it sets expectations, it isn't a threat. When an invoice becomes overdue, refer to the policy in your follow-up. See how to follow up on unpaid invoices and what is an overdue invoice.

Applying it

• Use the same dates and steps for every client, and record each reminder and any fee you charge.
• If you waive a fee, say so in writing, and note why, so the next decision is consistent.
• Review the policy once a year, and tell clients in writing before a change takes effect.

Sample: a policy timeline

This is a sample with invented terms, dates and figures. It isn't a statement that this fee is allowed where you are.

The policy says: invoices are due 30 days after the invoice date; there's a 7-day grace period; after that, a flat late fee of $40.00 applies; work is paused once an invoice is 30 days overdue.

An invoice for $2,000.00 is dated May 1, 2026.

• Due date: May 1 + 30 days = May 31, 2026
• First reminder: the day after the due date, June 1, 2026
• Late fee applies if still unpaid after the 7-day grace period: from May 31 + 8 days = June 8, 2026, so the amount due becomes $2,000.00 + $40.00 = $2,040.00
• Work paused if still unpaid 30 days after the due date: May 31 + 30 days = June 30, 2026

Where Billed fits

Billed's home page says you can "send automated payment reminders." Its invoice software page says: "Payment reminders can be customized."

Related Articles

• How to Add Late Fees to Invoices
• How to Follow Up on Unpaid Invoices
• What Is Net 30?
• Invoice Payment Terms Explained
• How to Write Invoice Payment Reminders

Frequently Asked Questions

What should a late payment policy include?

Your payment terms, any grace period, any late fee and when it starts, your reminder and escalation steps, any further steps such as a collection agency, and when you might waive a fee.

Are late payment fees legal?

It depends on where you and your client are and on the terms the client accepted. Check local rules, and ask a lawyer where needed.

Where should I put my late payment policy?

In your contract or terms of service, on your quotes or proposals, and as a short terms line on every invoice, with the same wording in each place.

How does a grace period work?

It's a set number of days after the due date before any late fee applies. In the sample on this page, an invoice due May 31, 2026 with a 7-day grace period has a late fee only if it's still unpaid on June 8, 2026.