Is it legal to charge interest on overdue invoices?

Asked by: Willow Roberts  |  Last update: June 23, 2026
Score: 4.4/5 (47 votes)

Yes, you can legally charge interest on overdue invoices, but it's only enforceable if your payment terms and conditions clearly state the policy, including the rate and when it applies, and you must comply with your state's usury laws (limits on maximum interest). You need to include this clause in your contracts and on your invoices, and it's wise to offer a grace period and consult legal counsel to ensure compliance.

Can I legally charge interest on unpaid invoices?

Can you legally charge interest on overdue invoices? Yes! However, our investigation demonstrated that customers are not obligated to settle a late payment fee if it isn't indicated in the contract terms.

Can I legally add interest to an unpaid invoice?

You can charge interest and compensation on any invoices which have been paid late or have not been paid within your agreed payment terms.

Are you allowed to charge interest on overdue invoices?

A provision regarding overdue interest should be included in your invoice's payment terms; usually, payment terms state that an invoice should be paid within 30 days of receipt. The interest must be reasonable – we'll explain a little more about what this means in the next section.

Can you refuse to pay old invoices?

In general, clients cannot refuse to pay late invoices if they have received goods or services as agreed upon in the contract or agreement. Late invoicing doesn't absolve them of their payment obligation.

Should You Charge Interest On Overdue Invoices?

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Can you be sued for not paying an invoice?

Filing a Lawsuit for Breach of Contract

If your client agreed to pay for goods or services and failed to follow through, they may be in breach of contract. You have the right to sue for the amount owed, and possibly additional damages, depending on your contract and the impact of the missed payment.

Do I have to pay an invoice from 5 years ago?

The general rule is that if it becomes necessary to issue legal proceedings to recover an unpaid invoice, then the creditor must do so within the statutory time limit of six years from when the clock starts to tick.

What is the maximum amount you can legally charge on overdue invoice payments?

Bear in mind that under section 347 of the Criminal Code , charging interest at an effective annual rate of more than 60% is a criminal offence. The effective rate is calculated by considering not only the interest rate, but also any fees, fines, penalties or other charges claimed from the debtor.

What is the 7 7 7 rule for collections?

The "777 rule" in debt collection, also known as the 7-in-7 rule, is a CFPB regulation (Regulation F) limiting calls: collectors can't call more than 7 times in 7 days for a specific debt, nor call within 7 days of a conversation about that debt. It aims to prevent harassment, applying to calls, texts, and emails, though exceptions exist, and the presumption of compliance can be rebutted by aggressive call patterns like rapid succession or highly concentrated calls.

What is the $8 late fee rule?

The rule had reduced the safe harbor limits on late fees that could be charged by large credit card issuers (those with over one million open accounts) from over $30 down to $8. The rule also forbade fee increases for repeat violations and removed the annual inflation indexing.

When can you start charging interest on late payments?

If there is no agreed credit period, the law sets a default period of 30 days. You can charge interest 30 days after you delivered the goods or provided the service, or 30 days after you notified the purchaser of the amount of the debt, whichever is the later.

What can I do if a client refuses to pay an invoice?

Getting a Client to Pay an Invoice after Nonpayment

  1. Contact the customer. The first step is to make contact with the customer. ...
  2. Assess interest or late fees on unpaid invoices. ...
  3. Send a formal debt collection letter. ...
  4. Call a collection agency. ...
  5. Take legal action for nonpayment of invoices. ...
  6. Pay attention to your staff.

Can a business write off unpaid invoices?

As a business, you can write off unpaid invoices under specific circumstances. This is typically when all reasonable collection efforts have been exhausted and the debt is deemed uncollectible. The process of writing off an invoice as bad debt is beneficial as it can lead to a reduction in your taxable income.

How much interest can I add to an overdue invoice?

Adding Late Payment Interest

You can add 8% interest above the bank base rate to an overdue invoice from the day after the invoice became overdue. Work out the interest on each invoice outstanding to you if multiple invoices are overdue. Add interest to the the gross amount of the debt overdue, including VAT.

Can you charge someone interest if they owe you money?

Some state laws and some contracts allow interest to be charged and costs to be added. If you still have the contract, it may say what interest rate can be charged or how much it can increase. State law may also limit the amount of interest charged.

What is the 10 day grace period?

A grace period for a car loan is usually 10 days past the payment due date. During this time, the car payment typically will be accepted without penalties or other consequences. Keep reading to learn how car payment grace periods work, if there is a late car payment fee, if you can make a partial car payment, and more.

What is the 11 word phrase to stop debt collectors?

The 11-word phrase often cited to stop debt collectors is "Please cease and desist all calls and contact with me, immediately," which leverages your rights under the Fair Debt Collection Practices Act (FDCPA) to halt most communication, though it must be sent in writing via certified mail to be legally binding, and collectors can still notify you of lawsuits. 

Can you legally charge interest on overdue invoices?

Yes, you have the legal right to charge late fees on your invoices. To make sure you can do this properly, you need to have a clear and fair late fee clause in your contracts. This clause should explain when late fees will be applied and how much they'll be, and it should follow the law in your area.

What is the legal interest rate?

The rate of interest upon a judgment rendered in any court of this State shall be set by the Legislature at not more than 10 percent per annum. Such rate may be variable and based upon interest rates charged by federal agencies or economic indicators, or both.

Is there a time limit on unpaid invoices?

Time limit for unpaid invoices

In most cases, you will have six years from the date the invoice fell due for payment in which to seek recovery of the amount owed. If you fail to take action within this time, the customer will be within their rights to refuse your request for settlement.

How far back can someone bill you?

According to California Code of Civil Procedure § 337(1), the statute of limitations for a written contract is four years. Under § 339(1), the limit for an oral contract is two years.

How long before an invoice becomes invalid?

Maybe you've just discovered an old invoice that slipped through the cracks, or maybe you've been chasing down a customer who seems to have completely disappeared. Either way, you're probably wondering, how long can I keep chasing after this money? The short answer is for most debts, that limit is 6 years.

How long can an invoice be unpaid?

Federal law says that invoices remain outstanding for up to 6 years; i.e., you can pursue a client for an unpaid invoice even if that invoice is 6 years old. Past that point, you'll probably need to seek legal action if you want to receive your payment.