Promissory Notes: Negotiable Instruments Containing Express Terms Regarding Repayment | Anderson Aylwin Begg & Co.
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Promissory Notes:

Negotiable Instruments Containing Express Terms Regarding Repayment



Last Updated: June 12 2026

Question: What’s the difference between a promissory note and a demand note in Ontario, and when can the lender require payment?

Answer: A promissory note is a written, signed promise to pay a specific sum, either on demand or at a fixed or determinable future time, usually with terms like interest rate, parties, and repayment details.   A demand note is a promissory note with no set due date, meaning the full balance becomes payable when the lender makes a formal demand, so contact Anderson Aylwin Begg & Co. for Paralegals who can review your note, assess enforceability, and help you pursue or defend payment across Ontario, call (905) 686-8080 to get started.

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.

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, where the borrower agrees to pay a certain amount of money to the lender at a specific time and under certain conditions. A bank note is a type of promissory note issued by a bank or other financial institution; but, it is backed by the assets of the bank which makes a bank note more secure than a regular promissory note.

Terms Upon Notes

A promissory note will typically include details of the principal amount due, the applicable interest rate, the parties involved including a "bearer of note" if a party is unspecified, the date of issue, the repayment terms, and the due date.

Payable Upon Demand

Demand notes are promissory notes without a specific due date as such a note becomes due upon demand of payment.

Summary Comment

A promissory note is a negotiable instrument and could consist as a cheque, loan agreement, or other document evidencing indebtedness.

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