Promissory Notes: Negotiable Instruments Containing Express Terms Regarding Repayment | Paladin LLP
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Promissory Notes:

Negotiable Instruments Containing Express Terms Regarding Repayment



Last Updated: August 22 2026

Question: What is the difference between a promissory note and a demand note in Ontario?

Answer: Paladin LLP can help you understand how promissory notes and demand notes work in Ontario, so you can assess when repayment becomes due, what terms may be required, and how a written “unconditional promise to pay” is treated under the Bills of Exchange Act, R.S.C. 1985, c. B-4 (including the definition in s. 176(1)). A promissory note is generally payable at a fixed or determinable future time, while a demand note is due when the holder requests payment because it has no set due date. If you have a document you received or signed and want to confirm its meaning and enforceability, call (289) 925-1572 to speak with a paralegal at Paladin LLP.

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Understanding What Constitutes As a Promissory Note and What Is Meant By a Demand Note Versus a Common Note

Promissory Notes: Negotiable Instruments Containing Express Terms Regarding Repayment A promissory note is a legal document that binds one party (the issuer) to pay a specified amount of money to another party (the payor). The payor is legally obligated to make payment at the predetermined time or upon receiving a demand for repayment from the issuer. A promissory note will detail any applicable terms, including the rate of interest, if applicable, that may be accrued.

Note: Please contact Paladin LLP by phone at: (289) 925-1572 to discuss any specific questions that you may have.

The Law

The Bills of Exchange Act, R.S.C. 1985, c. B-4, addresses promissory notes as a form of financial instrument, along with currency, cheques, among other things, and specifically defines a promissory note as:


176 (1) A promissory note is an unconditional promise in writing made by one person to another person, signed by the maker, engaging to pay, on demand or at a fixed or determinable future time, a sum certain in money to, or to the order of, a specified person or to bearer.

A promissory note is a contract between two parties, the borrower and the lender.  A bank note is a type of promissory note issued by a bank or other financial institution.  In either circumstance, a promissory note is a written promise to pay a certain amount of money to a specific person or a specific entity at a specific time and under certain conditions.  However, unlike a promissory note, a bank note is backed by the assets of a bank and is therefore more secure.

Terms Upon Notes

Usual terms that may be shown upon a note include the principal amount due, the applicable interest rate, the parties to the note including a party who may be unspecified and simply known as a "bearer of note", the date of issue, the repayment terms, and the due date.

Payable Upon Demand

Demand notes are a type of promissory note but differ whereas a demand note lacks a specified due date and instead becomes due upon request of payment.

Summary Comment

A promissory note is a legal document that states a promise to pay a certain amount of money. A promissory note may take the form of a cheque, loan agreement, or other document, that serves as proof of an outstanding debt.

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