In Yukon, the legal status of common-law partners has evolved significantly in recent years. Unmarried couples who live together in a marriage-like relationship are now included within the legal definition of “spouse” under key statutes—including those governing property division, support, and estates. As a result, cohabitation agreements play an increasingly important role in allowing couples to define their own financial and property arrangements, either to contract out of the statutory defaults or to clarify expectations in advance.

This article explores the legal framework supporting cohabitation agreements in Yukon, the formal requirements for validity, and the unique features of Yukon law that make such agreements especially relevant.

Are Cohabitation Agreements Permitted in Yukon?

Yes. Cohabitation agreements are expressly permitted under Yukon’s Family Property and Support Act, RSY 2002, c 83. This legislation allows spouses, including common-law partners, to enter into binding agreements that govern their financial rights and responsibilities.

Section 60(1) of the Family Property and Support Act states:
“Two persons who are cohabiting and not married to each other may enter into a cohabitation agreement in which they agree on their respective rights and obligations during cohabitation, or on ceasing to cohabit, including ownership in or division of property, support obligations, and any other matter in the settlement of their affairs.”

This provision confirms that cohabitation agreements are valid and enforceable under Yukon law, provided they meet the required formalities. The statute also provides rules for setting aside agreements that are unfair or entered into without proper understanding or disclosure.

Who Qualifies as a Common-Law Partner in Yukon?

Under Yukon law, a person is considered a “spouse” (for property and support purposes) if they:

• Are legally married, or
• Have cohabited continuously for at least two years, or
• Have cohabited for a period less than two years and have a child together

This means that common-law couples in Yukon are subject to the same property and support rules as married spouses once they reach the threshold of cohabitation or parenthood.

A cohabitation agreement may be signed:

• In anticipation of moving in together, or
• At any point during the relationship

This allows couples to clarify or modify the legal rights that will apply to them once they qualify as “spouses” under Yukon law.

Why Consider a Cohabitation Agreement in Yukon?

The inclusion of common-law partners in Yukon’s property division laws means that unmarried couples may face the same obligations as married spouses upon separation, including equal sharing of property acquired during the relationship.

Unless the parties enter into an agreement, the default rules include:

• Equal division of “family property,” regardless of who paid for it or holds legal title
• Spousal support obligations based on need, compensatory factors, or contractual terms
• The right to apply for exclusive possession of the family home

A cohabitation agreement allows the couple to contract out of these statutory defaults, so long as the agreement meets legal requirements and is not unconscionable.

What Can a Cohabitation Agreement Cover in Yukon?

A cohabitation agreement may address:

• Ownership and division of property, both existing and future
• Spousal support: whether waived, fixed, or conditional
• Responsibility for debts and financial obligations
• Rights and obligations during the relationship
• Entitlements upon death (e.g., life insurance, gifts, or support)

Yukon’s legislation permits parties to:

• Include terms that override the default rules of equal division
• Make arrangements regarding excluded or exempt property, such as pre-relationship assets or inheritances

As in all provinces and territories, child-related matters such as custody and support cannot be predetermined in a cohabitation agreement. Parenting decisions must be made in accordance with the best interests of the child, and child support rights cannot be waived.

Requirements for a Valid Cohabitation Agreement in Yukon

To be enforceable under Yukon law, a cohabitation agreement must meet specific formal and substantive criteria.

1. Written Form and Proper Execution

For a cohabitation agreement to be enforceable in Yukon, the Family Property and Support Act imposes the following formal requirement at section 61(1):

“A domestic contract does not affect the rights of a person under this Act unless it is in writing, signed by both parties and witnessed by an independent third person”

This means the agreement must:

• Be in writing
• Be signed by both parties
• Be witnessed by at least one person who also signs

Oral agreements, unsigned drafts, or informal arrangements will not be enforced.

2. Voluntary Agreement and Capacity

The agreement must be entered into freely and voluntarily. A court may find it invalid if there is evidence of:

• Coercion or duress
• Undue influence
• Mental incapacity or intoxication at the time of signing

Parties should have a meaningful opportunity to review the terms and consider their rights.

3. Full and Frank Financial Disclosure

Courts have repeatedly held that failure to disclose material financial information can render an agreement unenforceable.

A court may set aside an agreement if a party failed to disclose to the other significant assets or debts existing when the agreement was made.

Best practice includes:

• Exchanging written disclosure of all major assets, liabilities, and income
• Attaching signed financial statements or schedules to the agreement

4. Independent Legal Advice (Optional but Strongly Recommended)

Yukon law does not require that each party receive independent legal advice (ILA) for the agreement to be valid. However, the presence or absence of ILA will influence whether the agreement is enforceable, particularly if one party later challenges it.

A lawyer can help:

• Explain the legal rights the person may be giving up
• Review the fairness of the terms
• Ensure that the agreement is properly drafted and executed

Ideally, a Certificate of Independent Legal Advice from each lawyer should be attached.

5. Fairness and Judicial Discretion

A court may set aside or override a cohabitation agreement if:

• A party failed to disclose significant financial information
• A party did not understand the nature or consequences of the agreement
• The agreement is unconscionable, meaning grossly unfair in light of the circumstances at the time of signing or enforcement

The burden of proof is on the party seeking to set the agreement aside. Courts are generally reluctant to interfere where the parties had legal advice and negotiated the agreement fairly.

Can a Cohabitation Agreement Waive Spousal Support?

Yes. Yukon law allows partners to waive or limit spousal support in a cohabitation agreement, provided the waiver:

• Is clear and unambiguous
• Was made voluntarily, with full knowledge of the consequences
• Is not unconscionable at the time of enforcement

Courts retain the power to override a waiver if enforcing it would cause undue hardship or injustice. That said, properly executed waivers are generally respected.

Does the Agreement Remain Valid If the Parties Marry?

Yes. In Yukon, a cohabitation agreement remains valid after marriage, unless the agreement states otherwise. Section 60(2) of the Family Property and Support Act provides:

“If the parties to a cohabitation agreement entered into under subsection (1) subsequently marry, the agreement shall be deemed to a marriage contract.”

Inheritance and Death-Related Provisions

Unmarried partners in Yukon do not automatically inherit if their partner dies intestate, unless they qualify under the Intestate Succession Act as having cohabited for at least two years before the date of death.

A cohabitation agreement may include:

• Waivers of inheritance rights or dependent relief
• Promises to maintain life insurance or make specific bequests
• References to wills or trusts created in connection with the relationship

These provisions should be coordinated with formal estate planning documents for full effect.

Unique Features of Yukon Law

1. Statutory Property Division Applies to Common-Law Partners

Yukon is one of the jurisdictions where common-law partners are subject to automatic property division rules after two years of cohabitation (or earlier if they have a child). This increases the need for cohabitation agreements for those who wish to retain financial independence.

2. Modernized Statute with Clear Set-Aside Rules

The Family Property and Support Act provides a detailed and modern framework for setting aside agreements, giving the court tools to address inequality or lack of informed consent, while still respecting valid contracts.

Drafting Best Practices

To ensure a Yukon cohabitation agreement is enforceable:

• Use clear, specific language about property, support, and obligations
• Ensure the agreement is signed and witnessed
• Exchange and attach written financial disclosure
• Encourage both parties to obtain independent legal advice
• Include clauses addressing:
  • Division of property and debts
  • Support rights or waivers
  • Obligations upon death
  • Whether the agreement survives marriage

Also consider including a dispute resolution clause, such as requiring mediation before court action.

Conclusion

In Yukon, cohabitation agreements provide an effective way for unmarried couples to structure their financial affairs and avoid the default legal consequences of common-law partnership. As provincial law treats many common-law partners the same as married spouses, these agreements are often the only way to protect separate property, waive support, or clarify expectations.

With a clear legal framework in the Family Property and Support Act, Yukon offers strong legal recognition for cohabitation agreements, but success depends on careful drafting, disclosure, and fairness. Whether you’re moving in with a partner or have already built a life together, a cohabitation agreement can provide both clarity and peace of mind.

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.