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Promissory Notes:
Negotiable Instruments Containing Express Terms Regarding Repayment
Last Updated: August 24 2026
Question: Is a demand note a promissory note, and when does it become due in Ontario?
Answer: A demand note is a promissory note that has no fixed maturity date, so it becomes due when the holder makes a demand for payment, unlike a common note that is payable at a fixed or determinable future time; under the Bills of Exchange Act, R.S.C. 1985, c. B-4, the note must be an unconditional promise in writing signed by the maker to pay a sum certain on demand or at a set time, and it typically lists the principal amount, interest terms (if any), the parties, and the repayment obligation. If you are dealing with a demand note or trying to enforce or defend a debt in Ontario, the paralegal team at Anderson Aylwin Begg & Co. can help you organize the document, confirm what payment is owed, and prepare next steps for correspondence or small claims. Book a consult at (905) 686-8080 to get practical guidance for your situation.
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Understanding What Constitutes As a Promissory Note and What Is Meant By a Demand Note Versus a Common Note
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 Anderson Aylwin Begg & Co. by phone at: (905) 686-8080 to discuss any specific questions that you may have.
The Law
The Bills of Exchange Act, R.S.C. 1985, c. B-4, governs financial instruments such as currency, cheques, among other things, and 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 promissory notes without a specific due date as such a note becomes due upon demand 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.
NOTE: A significant volume of online searches for “lawyers nearby” or “top lawyer in” tends to indicate a desire for prompt and adept legal assistance rather than a particular job title. In Ontario, paralegals who hold a license are governed by the same Law Society as lawyers and are permitted to represent clients in specific litigation situations. Advocacy, legal reasoning, and procedural proficiency are key components of this profession. Anderson Aylwin Begg & Co. provides legal representation within its licensed authority, focusing on strategic positioning, evidence preparation, and compelling advocacy designed to achieve effective and advantageous outcomes for clients.

