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Suing on a Dishonoured (NSF) Cheque in Ontario

A bounced cheque is strong evidence in an Ontario civil claim. Learn what it does and doesn't prove, and how to build a case around a dishonoured cheque.

Litigation6 min readTSLBy the Treadstone Law team · OntarioUpdated 2026-07
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Key takeaways
  • A cheque is a written, signed instruction to pay a specific amount to a specific person.
  • If the cheque was stopped deliberately or the account was closed shortly after issuing it, that pattern can matter — both for how urgently you should act and for how the court may view…
  • Get the returned cheque and bank notice from your bank — keep the original documentation showing why it was dishonoured and when 2.

A cheque bounces, your bank charges you an NSF fee, and the person who wrote it either goes quiet or promises to "sort it out soon." A dishonoured cheque is frustrating, but from a legal standpoint it can actually put you in a stronger position than many other unpaid debts — a returned cheque is documented, dated, and hard to argue around.

Here is what suing on a dishonoured cheque in Ontario actually involves, and why the cheque itself does much of the heavy lifting in your case.

Why an NSF Cheque Is Strong Evidence

A cheque is a written, signed instruction to pay a specific amount to a specific person. When it bounces — whether for non-sufficient funds, a closed account, or a stop payment — your bank typically returns it marked with the reason, creating a dated record that:

Compare that to an informal loan with no paper trail: with a bounced cheque, much of the "did an obligation exist" question is already answered by the document itself. That doesn't guarantee you'll win, but it significantly narrows what you need to prove.

Common Reasons a Cheque Bounces — and Why It Matters

Reason for dishonourWhat it typically suggests
Non-sufficient funds (NSF)Money wasn't available when the cheque was presented — the debt is usually still valid
Account closedThe payer may have intentionally avoided payment — worth acting quickly
Stop payment instructionThe payer deliberately blocked the cheque — often signals a dispute over the underlying debt
Signature or date irregularityMay be a genuine error, or may indicate the cheque isn't valid as written

If the cheque was stopped deliberately or the account was closed shortly after issuing it, that pattern can matter — both for how urgently you should act and for how the court may view the payer's conduct.

Steps to Take Right After a Cheque Bounces

  1. Get the returned cheque and bank notice from your bank — keep the original documentation showing why it was dishonoured and when
  2. Contact the payer promptly in writing, noting the bounced cheque and requesting repayment plus any NSF fee your bank charged you
  3. Give a clear, reasonable deadline to repay before you escalate further
  4. Keep records of every follow-up — repeated silence or excuses can matter later
  5. Consider a formal demand letter if informal contact doesn't produce payment, setting out the amount and a firm deadline
  6. File in the appropriate court if the debt remains unpaid — generally Small Claims Court for amounts within its monetary limit, or the Superior Court of Justice for larger claims

What You Still Need to Prove in Court

Even with a bounced cheque in hand, you still need to establish the underlying debt clearly: what the cheque was for, that it was properly presented to the bank within a reasonable time, and that it was returned unpaid. Keep any invoice, agreement, or communication tied to why the cheque was written — the cheque proves the promise to pay, but context still helps the court understand what the payment was for.

If the payer disputes that they owed the underlying amount at all — for example, claiming the goods or services were never delivered — the case becomes a broader dispute about the underlying transaction, not just about the cheque itself.

Recovering More Than the Face Value

Beyond the cheque amount itself, you may be able to claim related costs connected to the bounced payment — such as the NSF fee your own bank charged you as a direct result. Courts can also award interest on a debt, calculated from when it became due, and Small Claims Court has its own rules for the costs and fees it can award to a successful party. Exactly what's recoverable depends on your specific claim, so don't assume a number without checking it against your facts.

Frequently asked questions

Is bouncing a cheque a criminal matter or just a civil debt issue?

For most people dealing with an unpaid cheque, this is a civil debt collection matter — you are pursuing repayment through a lawsuit, not a criminal complaint. Criminal fraud is a separate and much narrower issue involving intent to defraud, and is not something most bounced-cheque disputes involve. If you suspect deliberate fraud, that is a different conversation from a straightforward civil debt claim.

Do I need the original paper cheque to sue?

Having the original returned cheque and your bank's dishonour notice makes your case much stronger and more straightforward to prove, since they are direct documentary evidence of both the debt and the failed payment. If you no longer have the physical cheque, your bank records showing the transaction and return may still support your claim, but it's worth gathering everything you can as early as possible.

How long do I have to sue after a cheque bounces?

Ontario's general civil limitation period requires most claims to be started within a set number of years of when the claim was discovered — which for a bounced cheque is typically close to the date it was returned unpaid. Because the clock starts running relatively early in these cases, it's worth acting promptly rather than waiting to see if the payer eventually comes through.

Which court should I sue in for a bounced cheque?

That depends entirely on the amount of the cheque and any related costs you're claiming. Smaller amounts generally belong in Small Claims Court, which is built for straightforward debt disputes like this one; larger amounts require the Superior Court of Justice's ordinary civil process.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Ontario laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a licensed Ontario lawyer. Treadstone Law is licensed by the Law Society of Ontario — reach us at 1-844-900-1070 or start a file online.

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