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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 written document in which one party (the issuer) makes an unconditional promise to pay a certain amount of money to another party (the payor). Under a promissory note, payment is due at the stated time or upon receiving a request for repayment. A promissory note will include information about any applicable terms, such as the rate of interest, if any, 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, 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.
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.

