Few topics generate more landlord confusion in Quebec than cession de bail. The right exists in the Civil Code, the grounds to refuse are narrow, and the 2024 reforms shifted the landscape again. If you own residential rental property here, you need to know what cession is, how it differs from sublet, and the exact window you have to respond.
Cession de Bail vs Sous-Location
These two terms are not interchangeable, and the distinction has real consequences.
Cession de bail (lease assignment): the tenant permanently transfers their lease to a new person. The original tenant is released from all future obligations. The new tenant steps into the existing lease as if they had signed it originally — same rent, same end date, same conditions.
Sous-location (sublet): the original tenant stays on the lease and remains fully liable. The sub-tenant has no direct relationship with the landlord. If rent is unpaid or damage occurs, the original tenant is still responsible.
Most tenants leaving mid-lease prefer cession because it ends their obligation. Most landlords prefer sublet because the original tenant remains on the hook. The Civil Code gives the tenant the choice, subject to the landlord's right to review.
The Legal Basis — Article 1870 CCQ
Article 1870 of the Civil Code of Quebec gives every residential tenant the right to assign their lease or sublet. The tenant must notify the landlord in writing, identifying the proposed assignee or sub-tenant and providing their contact information.
Once that notice arrives, the clock starts.
The 15-Day Response Window
From the moment you receive the written notice, you have 15 days to respond. The response must be in writing, and it must do one of two things:
- Accept the proposed assignee (explicitly or by silence)
- Refuse with a serious reason stated clearly
Silence equals consent. If 15 days pass without a written refusal, the cession is deemed accepted. This is the most common way landlords lose the ability to vet an incoming tenant — they sit on the notice thinking they will get to it next week.
The 15 days runs from receipt, not from sending. If the tenant emails you the notice on the 1st and you open it on the 3rd, your deadline is the 18th at latest — but the tenant may argue from the 16th. Treat the earlier date as the real deadline.
Valid Grounds to Refuse
Article 1871 requires a serious reason to refuse. The case law has settled on a few categories:
- Documented credit concerns — the proposed assignee has a pattern of unpaid rent, judgment history, or insolvency proceedings
- History of disturbance in the same building — the proposed assignee has been sanctioned for noise, damage, or harassment in another unit of yours
- Inability to demonstrate sufficient income — rule of thumb is rent should not exceed 30–35% of gross income, though the TAL does not fix a specific ratio
- Intended use incompatible with the lease — for example, the lease prohibits short-term rental and the proposed assignee plans to operate one
- Falsified documentation — forged pay stubs, fake references
"Serious" in the TAL's interpretation means concrete and documented. A vague concern does not survive a hearing.
Invalid Grounds
The following do not hold up in front of the TAL:
- Personal preference about the proposed tenant
- Wanting to re-list at market rent — this is the most common real motivation, and the TAL sees through it every time
- Language preference — refusing because the proposed tenant speaks English, French, or another language is discriminatory
- Family status, age, origin, or any other protected characteristic under the Charter
- Not meeting landlord preferences that are not in the lease (pets allowed by lease but landlord does not want them, for example)
- Requiring the new tenant to sign a new lease at a higher rent — the new tenant inherits the current lease, period
A refusal on any of these grounds will be overturned by the TAL, and the landlord may be ordered to pay damages.
Required TAL Documentation
The paper trail matters. You should keep:
- The tenant's written notice with the proposed assignee named, their contact info, and supporting documents (ID, income proof, references)
- Your written response dated within the 15-day window
- Any supporting evidence for your refusal — credit report, prior TAL judgments, lease clauses
If the tenant contests your refusal, they file with the TAL and the burden is on you to show the reason was serious. Without documentation, you lose.
The tenant's notice itself does not have a prescribed TAL form — any written communication that identifies the assignee and provides contact info satisfies article 1870. Email counts. Registered mail is stronger. Tools like Tenaivo's cession and sublet tracker keep the notice, response, and 15-day timer in one place so deadlines do not slip.
After a Successful Cession
When the cession is accepted (or deemed accepted by silence), three things happen:
- The new tenant steps into the existing lease — same rent, same end date, same clauses
- The original tenant is released from future obligations from the cession date forward
- Any security deposit or last-month-rent arrangement transfers by agreement between the two tenants — the landlord is not automatically required to refund anything
You cannot use the cession as an excuse to increase rent or change terms. If you want to modify the lease, you do it at renewal using Form E, not at cession.
The Bill 31 Caveat
The 2024 housing reform (Bill 31) introduced changes to assignment rights. As of the current TAL guidance, landlords may in certain cases refuse a cession on the simple basis that they intend to retake the unit or not continue the lease — subject to specific conditions. The scope of this change has been narrowed through regulations and TAL decisions.
Because the reform is still being interpreted, any refusal based on the post-2024 rules should be cross-checked against current TAL guidance before the 15-day deadline. Do not rely on a summary article — including this one — when the clock is running.
Practical Takeaway
Treat every cession notice as a 15-day deadline from the day it arrives. If the proposed assignee looks solid, accept and move on. If something looks off, document the specific concern — credit, disturbance, income — and respond in writing before day 15. The single largest source of landlord losses here is not bad assignees; it is missed deadlines and vague refusals that the TAL overturns.