Do late fees count as interest?
Andrew Ramirez
Published Feb 25, 2026
The interest you can charge if another business is late paying for goods or a service is ‘statutory interest’ – this is 8% plus the Bank of England base rate for business to business transactions. You cannot claim statutory interest if there’s a different rate of interest in a contract.
How is interest calculated on late fees?
To calculate the interest due on a late payment, the amount of the debt should be multiplied by the number of days for which the payment is late, multiplied by daily late payment interest rate in operation on the date the payment became overdue.
How do I account for a late payment fee?
How to Charge Late Fees on an Invoice
- Do Your Research.
- Notify Clients Ahead of Time.
- Add Your Late Policy to Your Invoice Payment Terms.
- Include Your Late Fee Policy on New Contracts.
- Ensure Due Dates Are Visible.
- Send Invoices Promptly.
- Follow Up Immediately on Late Payments.
- Send a Revised Invoice.
Can I charge interest on past due invoices?
Can You Legally Charge Interest on Overdue Invoices? Yes, there is nothing stopping a vendor from charging interest on overdue invoices. The practice is legal. If a vendor doesn’t have an agreement with a client on the payment terms and late fee, then that means the client doesn’t have to pay it.
What interest rate can you charge on overdue invoices?
Don’t charge more than 10% interest per year. Some states restrict the amount you can charge in late fees, but you’re likely safe if you cap rates at 10%. Try waving a carrot instead of a stick by offering a discount for either full payment upfront or within 30 days.
Can I add a late fee to an invoice?
It is legal to charge late payment fees; however, as mentioned, you can only do so if the original contract allows it. There are also state-specific regulations and laws regarding the amount a business owner can charge for a late payment fee.
Do you have to pay a late fee if interest is due?
All overdue accrued and unpaid interest to be paid hereunder shall entail a late fee at an interest rate equal to the lesser of 18% per annum or the maximum rate permitted by applicable law (the “Late Fees”) that shall accrue daily from the date such interest is due hereunder through and including the date of actual payment in full.
How to calculate late payment fee on invoices?
For example, if the rate is 18%, the monthly finance charge is 1.5% (18/12). On a $5000 invoice that is 30 days late, a penalty of $75 ($5000×0.015) applies. Let’s also assume that the payment is 15 days late. It becomes a little different. Then you can calculate the charge by dividing 15/365, multiplying by 18%,…
How is interest paid on late payment sample clauses?
If the NA does not pay within the time limit for payment, the beneficiaries are entitled to late- payment interest. The interest payable is determined according to the provisions laid down in the national law applicable to the Agreement or in the rules of the NA.
What is the maximum rate for late fees?
Late Fees. All overdue accrued and unpaid interest to be paid hereunder shall entail a late fee at an interest rate equal to the lesser of 18% per annum or the maximum rate permitted by applicable law (the “Late Fees”) that shall accrue daily from the date such interest is due hereunder through and including the date of actual payment in full.