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Form 240, Amendment to Listing Agreement Authority to Offer for Sale, page 1
Basic · 42/100Form Complexity Index

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What this form asks for

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OREA Form 240, Amendment to Listing Agreement, is a legal document used in Ontario to modify the terms of an existing real estate listing contract between a seller and a brokerage. It's essential for formally recording changes such as a new listing price, an extension of the listing period, or other specific alterations to the original agreement. Today, this form can be filled out quickly and accurately using AI-powered services like Instafill.ai, which can also convert non-fillable PDF versions into interactive fillable forms.
Fillable fields32
Pages1
Sections9
Form Complexity IndexBasic, 42/100

The AI checks your answers before you download

12 checks built for this form, so a wrong date or a missing answer is caught before anyone else sees it.

New Expiry Date Chronology Check

This validation ensures that the 'New Expiry Date' is chronologically after the 'Current Expiry Date'. An amendment to extend a listing must result in a future expiry date, not one that is the same or earlier. If this check fails, the amendment is logically flawed and would be legally invalid, as it does not properly extend the agreement's term.

Amendment Signature Timing Validation

Verifies that all signature dates (Seller, Spouse, and Brokerage) are on or before the 'Current Expiry Date' of the listing. The form explicitly states that an extension must be signed prior to the expiration of the agreement. A signature dated after the expiry would mean the original contract was already void, rendering the amendment ineffective and requiring a completely new listing agreement.

Conditional Initials for Price Change

This check ensures that if a 'New Listing Price' is entered, the corresponding 'Seller's Initials' field for the price change is also filled. These initials serve as legal confirmation that the seller has seen and approved the specific modification to the price. Without the initials, the price change is not properly authorized and could be disputed, invalidating that part of the amendment.

Conditional Initials for Expiry Date Extension

Validates that if a 'New Expiry Date' is provided, both sets of seller's initials in that section are present. One set confirms the new date, while the other acknowledges TRESA regulations, both of which are mandatory for a valid extension. Missing either set of initials makes the extension legally unenforceable and could lead to disputes over the brokerage's authority.

Conditional Initials for Other Amendments

Ensures that if any text is entered into the 'Other Amendment A' or 'Other Amendment B' fields, the corresponding seller's initials are provided. These initials are crucial as they signify the seller's explicit agreement to custom, non-standard changes to the contract. An amendment without initials is not properly ratified and may be deemed non-binding.

Primary Property Identifier Completeness

This check verifies that at least one primary identifier, either the 'Property Address' or the 'MLS Number(s)', is filled out. These fields are essential for linking the amendment to the specific property and original listing agreement. Without this information, the document is ambiguous and cannot be processed, as it's unclear which contract is being amended.

And 6 more checks
  • Signature and Printed Name Consistency
  • Price Change Section Completeness
  • Valid Date Format Validation
  • Numeric Price Field Validation
  • Brokerage Authorization Completeness
  • Spousal Consent Section Integrity

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How to Fill Out OREA Form 240 Online for Free in 2026

What the AI walks you through.

  1. Navigate to Instafill.ai and upload or select the OREA Form 240.
  2. Use the AI assistant to automatically populate identifying information from the original listing agreement, such as property address, seller and brokerage names, and MLS® number.
  3. Enter the specific amendments required, such as the new listing price or the new expiry date, in the designated sections.
  4. If there are other changes, clearly describe them in the 'Other Amendments' section.
  5. Review all entered information for accuracy, using the AI's validation checks to ensure all required fields and initials are completed.
  6. Electronically sign the document and invite the brokerage's authorized representative and spouse (if applicable) to provide their signatures.
  7. Download, save, or share the fully executed Amendment to Listing Agreement for your records and for submission to the real estate board.

Common Mistakes in Completing OREA Form 240

The ones the AI is built to catch.

Signing an Extension After the Listing Has Expired
A frequent error is signing the amendment to extend the listing *after* the original agreement's expiry date has passed. The form explicitly requires the extension to be signed prior to expiration. An amendment signed post-expiry is invalid, necessitating a completely new listing agreement, which causes significant delays and administrative rework.
Missing Seller's Initials on Key Changes
This form requires separate initials from the seller to validate a price change, an expiry date change, and any 'Other Amendments'. It is very common to miss one of these initial boxes, especially the second initial required for the expiry date change under TRESA. A missing initial can render that specific amendment non-binding and unrecognized by the real estate board.
Overlooking the Spousal Consent Requirement
Sellers often forget or are unaware that if the property is a matrimonial home, the non-owner spouse must sign the consent section, as required by Ontario's Family Law Act. Failing to secure this signature can create serious legal vulnerabilities and potentially invalidate a future sale. This section should be carefully considered for any residential property.
Using Vague Language in 'Other Amendments'
When using Section 3 for custom amendments, people often write unclear or ambiguous terms, such as 'to adjust commission' without specifying the new rate or terms. This ambiguity can lead to disputes between the seller and the brokerage later on. All amendments must be written with precise, specific language to be enforceable and clearly understood.
Transposing 'Current' and 'New' Information
In sections for price and expiry date changes, users frequently enter the new information in the 'Current' field and vice-versa. This simple data entry error happens due to haste and can cause confusion, requiring correction and delaying the update on the MLS®. AI-powered tools like Instafill.ai can help prevent this by validating data as it's entered.
Incorrect or Incomplete Identification Numbers
The form requires several critical ID numbers, including the MLS® Number, L/BR ID, and Interboard MLS® Number. Transcription errors, such as transposed digits or leaving a field blank, are common. An incorrect number will prevent the amendment from being filed correctly, meaning the price or date change will not be reflected on the live listing.
Mismatched Seller or Brokerage Names
The names of the Seller and Brokerage entered on the amendment must exactly match the names on the original Listing Agreement. People sometimes use abbreviations, nicknames, or slightly different corporate names, which creates inconsistencies in the legal record. This can lead to processing delays while the brokerage seeks to clarify the discrepancy.
Submitting an Illegible Handwritten Form
When this form is provided as a non-fillable PDF, it must be completed by hand, often resulting in illegible entries for critical details like prices, dates, and names. Poor handwriting can lead to data entry mistakes by brokerage staff, causing significant errors. Using a tool like Instafill.ai can convert the form into a fillable version, ensuring all entries are clear, accurate, and professional.
Confusing the Top 'Listing Expiry Date' Field
The form includes a 'LISTING EXPIRY DATE' field in the top identification section, separate from the 'Current' and 'New' expiry date fields below. Users often mistakenly enter the new expiry date at the top, when this field is intended for the original expiry date for reference. This creates conflicting information on the form and can cause processing confusion.

Frequently Asked Questions About OREA Form 240

 

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How does the AI fill out OREA Form 240?
You answer a few questions in plain words, or upload a document you already have. The AI reads what you give it and puts each answer into the right field of OREA Form 240, on every page, in seconds. It checks the answers against the form's own rules, and you review and change anything before you download, print or sign.
What happens to my information?
It is encrypted in transit and at rest, and it is never used to train AI.
How complex is OREA Form 240 to fill out?
OREA Form 240 has a Form Complexity Index of 42 out of 100, in the basic tier: 32 fillable fields across 1 page. Instafill.ai's AI fills it in under a minute, with every field there for you to review before you download.
What is OREA Form 240, Amendment to Listing Agreement, used for?
This form is used to make official changes to an existing Listing Agreement in Ontario. It allows a seller and brokerage to modify terms like the listing price, the agreement's expiry date, or other conditions without drafting a new contract.
Who needs to sign this form for the changes to be valid?
For the amendment to be legally binding, it must be signed by all sellers listed on the original agreement and an authorized representative of the brokerage. In some cases, if the property is a matrimonial home, a spouse's signature may also be required.
How do I use this form to change my property's listing price?
In Section 1, "LISTING PRICE", you will enter the current listing price and the new listing price you have agreed upon. The seller must also initial this section to confirm their approval of the price change.
Can I extend my listing agreement with my agent using this form?
Yes, Section 2 is for extending the agreement's expiry date. You must enter the current and new expiry dates and provide your initials in two separate places, as required by the Trust in Real Estate Services Act (TRESA).
When must an extension of the expiry date be signed?
An extension must be signed and dated by all parties *before* the original Listing Agreement expires. You cannot amend an agreement that has already expired; a new one would be required.
What kind of changes can I make in the "OTHER AMENDMENTS" section?
This section is for any changes not related to price or expiry date. Common examples include modifying showing instructions, changing the list of included or excluded chattels, or updating marketing terms.
Why is there a section for "Spousal Consent"?
Under Ontario's Family Law Act, if the property is a matrimonial home, the non-owner spouse must consent to the listing amendment. This ensures the transaction can proceed without future legal challenges related to spousal rights.
Does this form replace my original Listing Agreement?
No, this form only amends the original agreement. The form clearly states that all other terms and provisions of the original agreement remain in full force and effect.
What happens after everyone signs Form 240?
Once signed, the amendments become a legal part of your Listing Agreement. The brokerage is then obligated to immediately notify the real estate board(s) to update the MLS® listing with the new information.
Why do I have to initial in so many places?
Initials are required next to each specific change to serve as explicit confirmation that you have reviewed and agreed to that particular amendment. This prevents misunderstandings and ensures all parties are aware of every modification being made.
Can I use an AI tool to help me fill out this form?
Yes, services like Instafill.ai use AI to help you accurately auto-fill form fields, which can save time and reduce errors. This is especially useful for inputting recurring information like names, addresses, and dates.
How can I fill out Form 240 online?
You can use a service like Instafill.ai to easily fill out this form online. Simply upload the form, and the platform will identify the fields for you to complete, sign, and share digitally with your brokerage.
My copy of Form 240 is a non-fillable PDF. What can I do?
You can use a tool like Instafill.ai, which can convert flat, non-fillable PDFs into interactive, fillable forms. This allows you to type your information directly into the fields instead of printing and filling it out by hand.
What information do I need to have ready to complete this form?
You will need the full property address, the names of the seller(s) and brokerage, the MLS® number, and the current listing price and expiry date from your original agreement. You should also know the new price or date you wish to implement.
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Other forms like this one

listing agreement forms: C.A.R. Form RLA, Residential Listing Agreement (Exclusive Authorization and Right to Sell), OREA Form 200 (Revised 2025) — Listing Agreement / Seller Representation Agreement / Authority to Offer for Sale (Ontario), OREA Form 210, Listing Agreement Landlord Representation Agreement, Authority to Offer for Lease, OREA Form 200, Listing Agreement Seller Representation Agreement Authority to Offer for Sale, Listing Agreement - Authority to Offer for Sale, Form 211, Listing Agreement Authority to Offer for Lease

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