In Manitoba, cohabitation agreements are a powerful legal tool for unmarried couples who wish to define their financial rights and obligations, both during the relationship and in the event of separation. This is particularly important in a province where common-law partners are subject to automatic property division rules if certain conditions are met, rules that many people may not expect.
This article outlines the legal basis for cohabitation agreements in Manitoba, the requirements for enforceability, and the unique considerations that arise under provincial law.
Are Cohabitation Agreements Permitted in Manitoba?
Yes. Cohabitation agreements are specifically permitted and recognized under The Family Property Act, CCSM c F25. This Act governs the division of property between spouses, including common-law partners, on separation or death.
Section 5(1) of The Family Property Act authorizes common-law partners to enter into agreements regarding the ownership and division of property:
“This Act does not apply to any asset disposed of by a spousal agreement or common-law relationship agreement or as to which the Act is made inapplicable by the terms of a spousal agreement or common-law relationship agreement, but where a spousal agreement or common-law relationship agreement is silent as to an asset this Act if otherwise applicable to the asset applies as if the spousal agreement or common-law relationship agreement did not exist.”
Couples may sign a cohabitation agreement before attaining common-law status. However, the agreement will only have the full legal effect of an cohabitation agreement once the statutory conditions are met.
What Can a Cohabitation Agreement Cover in Manitoba?
A Manitoba cohabitation agreement may address:
- Ownership and division of property, including property acquired before, during, or after cohabitation
- Classification of property as exempt or shared
- Responsibility for debts and liabilities
- Spousal support obligations or waivers
- Financial responsibilities during the relationship
- Disposition of property on death
As in all Canaidan jurisdictions, a cohabitation agreement cannot govern parenting time or decision-making responsibility for children. These matters are dealt with separately under The Family Law Act, CCSM c F20, and must always be determined in the best interests of the child at the time of dispute.
Why Cohabitation Agreements Matter in Manitoba
Manitoba is one of only a few provinces where common-law partners are automatically subject to property division rules similar to married spouses—but only if certain conditions are met.
Under The Family Property Act, common-law partners are treated like married spouses for property division if:
- They have cohabited continuously for at least 3 years, or
- They have a child together and have lived together in a conjugal relationship for at least 1 year, or
- They have registered their relationship with the Vital Statistics Agency
Once any condition is met, the partners are entitled to an equal division of family property, unless they opt out by agreement. This includes:
- Property acquired during the relationship
- The increase in value of property acquired before the relationship
- Real estate, pensions, RRSPs, vehicles, and other significant assets
A cohabitation agreement allows the parties to contract out of these default rules and instead define their own financial arrangements.
What Makes a Cohabitation Agreement Enforceable in Manitoba?
To be enforceable in Manitoba, a cohabitation agreement must meet both formal and substantive requirements.
1. Formal Requirements
In order to be enforceable, the agreement must be in writing and signed by both parties
2. Independent Legal Advice
While not legally required, independent legal advice (ILA) is strongly recommended. A party who does not receive ILA is more likely to succeed in challenging the agreement later.
Lawyers are advised to:
- Provide a clear explanation of the agreement and its implications;
- Confirm that the client is entering into the agreement voluntarily;
- Document the advice given and retain a copy of the signed agreement.
If one party chooses not to get legal advice, it is recommended that they sign an acknowledgment confirming this choice and understanding the consequences.
3. Full Financial Disclosure
Courts in Manitoba expect full and frank financial disclosure when a cohabitation agreement is signed. A failure to disclose significant assets or debts may be grounds to set aside the agreement if it results in an unfair or unconscionable outcome.
4. Voluntariness and Fairness
Manitoba courts will not enforce an agreement that was:
- Signed under duress, coercion, or undue influence
- Signed without proper understanding of the consequences
- Unconscionable or grossly unfair at the time it was made or enforced
That said, Manitoba courts generally respect parties’ contractual freedom if the agreement complies with statutory formalities and was freely negotiated.
Can a Cohabitation Agreement Waive Spousal Support?
Yes. A Manitoba cohabitation agreement may include a clause that limits or waives spousal support. However, as with property provisions, support waivers must be:
- Clear and unambiguous
- Made with full knowledge of each party’s legal rights
- Not unconscionable at the time of enforcement
While such clauses are generally upheld when formalities are followed, they may still be challenged if enforcement would result in serious hardship or injustice.
Can a Cohabitation Agreement Waive Inheritance Rights?
Yes. Manitoba’s common-law partners have rights under the estate law regime, including:
- Intestate succession rights after three years of cohabitation, a child together and one year of cohabitation, or registration
- The right to apply for dependant’s relief under The Dependants Relief Act, CCSM c D37
A cohabitation agreement can be used to waive these inheritance rights. However, these clauses should be:
- Clearly stated in the agreement
- Consistent with an up-to-date will and estate plan
It is also possible for common-law partners to agree to provide specific entitlements upon death. These should be backed by appropriate estate planning documents (e.g., joint ownership, beneficiary designations, or testamentary gifts).
Does the Agreement Continue if the Parties Marry?
Yes, if the agreement is drafted properly.
Manitoba does not automatically “convert” a cohabitation agreement into a marriage agreement. Therefore, the agreement should include a clause such as:
“This agreement shall continue in full force and effect in the event the parties subsequently marry.”
If this language is not included, there may be uncertainty about whether the agreement remains valid post-marriage. It is often advisable to sign a new agreement after marriage (i.e., a marriage contract) to avoid ambiguity.
Unique Considerations in Manitoba
Manitoba’s treatment of common-law partners and cohabitation agreements has some notable features:
1. Automatic Property Rights After 3 Years
Manitoba is one of the few provinces where common-law partners gain automatic family property rights after three years of cohabitation (or earlier if they register or have a child together). This makes cohabitation agreements especially important for couples wishing to keep property separate.
2. Effect of Relationship Registration
Under The Vital Statistics Act, couples can register their common-law relationship before the 3-year threshold. Doing so gives rise to the same rights and obligations as if they had cohabited for 3 years. However, it also triggers the application of family property laws, unless a cohabitation agreement provides otherwise.
3. Dependants Relief and Estate Issues
Common-law partners in Manitoba may claim dependant’s relief even if excluded from a will. A waiver of estate rights in a cohabitation agreement should be accompanied by a full estate plan to ensure clarity and minimize litigation.
Best Practices for Drafting a Cohabitation Agreement in Manitoba
- Ensure the agreement is in writing and signed by both parties
- Provide full written financial disclosure and reference it in the agreement
- Have each party receive independent legal advice, documented with certificates
- Use clear, specific language to exclude or divide property
- Clarify whether the agreement will continue after marriage
- Include provisions addressing spousal support, even if waived
- Coordinate with estate planning documents if waiving inheritance rights
Conclusion
Cohabitation agreements in Manitoba are a vital tool for unmarried couples seeking clarity and protection in their personal and financial relationships. Given that Manitoba law grants automatic property and inheritance rights to common-law partners after three years of cohabitation, or one year with a child, or relationship registration, it is crucial to define expectations early, especially for couples who wish to keep their assets separate.
To be enforceable, a Manitoba cohabitation agreement must be in writing, signed by both parties, supported by independent legal advice, and include lawyer-signed certificates. Financial disclosure, fairness, and voluntariness are also essential. With proper planning and legal guidance, these agreements provide peace of mind and a solid legal foundation for any committed relationship.
You’re Invited to Call or E-Mail!
If you’re considering a cohabitation agreement — or have already made your decision — you’re invited to call or email us. We’ll explain for free how you can protect your assets and plan your estate. You can call us toll-free at (800) 407-2570 or email us using our contact form here. We can help you anywhere in Ontario, including Ottawa, Toronto, Mississauga, Brampton, and Hamilton.

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