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Find a Lawyer » Canada Legal Guides » British Columbia Legal Guides » Family Law & Divorce British Columbia » Marriage Contracts & Prenups British Columbia » Can a prenuptial agreement legally waive future spousal support in British Columbia?

Can a prenuptial agreement legally waive future spousal support in British Columbia?

27 Mar 2026 5 min read No comments Marriage Contracts & Prenups British Columbia
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Yes, a marriage agreement can include a spousal support waiver in British Columbia, but it is not an absolute guarantee. A judge can overturn the waiver if enforcing it at the time of separation would be “significantly unfair” or leave one partner completely destitute and relying on government assistance.

When couples in British Columbia decide to sign a marriage agreement (often called a prenup), their primary goal is usually to protect their real estate and business assets. However, many also want a “clean break” financially if the relationship ends, leading them to include a clause that completely waives the right to future spousal support. While BC law strongly respects the freedom of two adults to make their own contracts, family law is unique. The courts have a mandate to ensure that a divorce does not plunge one former spouse into poverty while the other walks away wealthy.

Understanding whether a prenuptial agreement can legally waive future spousal support in British Columbia requires a careful look at the Family Law Act. 🔍 A waiver that seems perfectly fair when you are both young, employed professionals in Vancouver might become shockingly unfair 15 years later if one of you gives up your career to raise children in Burnaby. This legal guide explains the strict limitations on spousal support waivers and how to draft them so they actually hold up in court. For highly sensitive clauses like this, finding a skilled family law firm in our directory is essential.

Step-by-Step Process in British Columbia

Drafting a spousal support waiver is a legal minefield. If the clause is too aggressive or one-sided, a Supreme Court of BC judge will simply strike it out. You must follow a balanced approach.

Step 1: Provide Absolute Financial Disclosure

Before any waiver can be legally considered, both parties must lay all their financial cards on the table. You must exchange full documentation of your incomes, investments, debts, and earning potential. If you convince your partner to waive their right to support while secretly hiding a lucrative side business or trust fund, the court will almost certainly invalidate the entire marriage agreement.

Step 2: Understand the “Significantly Unfair” Test

Under Section 164 of the BC Family Law Act, a judge can set aside a spousal support agreement if it is “significantly unfair.” The court looks at the circumstances when the agreement was signed, and more importantly, the circumstances when you actually separate. If your partner waived support but later became severely disabled and unable to work, enforcing the waiver would leave them destitute. A judge will not allow the burden of supporting your ex-spouse to fall onto the public welfare system if you have the means to pay.

Step 3: Draft a Conditional Waiver or “Step-Down” Clause

Instead of a harsh “zero support forever” clause, good lawyers draft conditional agreements. 📝 For example, you might agree to a lump-sum payout instead of monthly support. Alternatively, you can use a step-down clause, where support is capped at a specific amount or duration (e.g., maximum two years of support to allow retraining). This shows the court that the agreement is reasonable and attempts to provide fairness, making it much harder to overturn.

Step 4: Acknowledge Material Changes in Circumstances

A robust agreement explicitly addresses what happens if major life events occur. The most common event is having children. If one spouse leaves the workforce to raise a family, they suffer a severe economic disadvantage. Your agreement should clearly state that if you have children together, the spousal support waiver is subject to review or becomes completely null and void.

Step 5: Mandatory Independent Legal Advice (ILA)

A spousal support waiver is practically unenforceable if the person giving up their rights did not receive Independent Legal Advice. Your spouse must consult their own lawyer, who will explain exactly what a waiver means under the Spousal Support Advisory Guidelines (SSAG). Both lawyers must sign the agreement to prove the waiver was understood and entered into voluntarily.

How Much Does it Cost in British Columbia?

Drafting a marriage agreement with complex spousal support clauses requires experienced legal professionals. Avoid cheap online templates, as they rarely survive BC court scrutiny.

Legal ServiceEstimated Cost (CAD)
Drafting a Custom Marriage Agreement$2,500 – $6,000+
Independent Legal Advice (ILA)$600 – $1,500
Litigation to Overturn a Waiver Later$20,000 – $60,000+

While paying $3,000 CAD for a lawyer today feels expensive, it is a fraction of the cost compared to paying $2,000 CAD a month in spousal support for the next 10 years because a DIY contract was thrown out by a judge.

How Long Does the Process Take?

Rushing an agreement with a support waiver is a massive red flag for judges.

  • Negotiation Phase: Discussing the reality of waiving spousal support takes emotional intelligence and time. Expect negotiations to take 1 to 2 months.
  • Drafting Phase: Once terms are agreed upon, a lawyer will need 2 to 4 weeks to draft the intricate legal language required by the Family Law Act.
  • Signing Phase: The ILA review and final signing usually take an additional 1 to 2 weeks. Start this process at least 4 months before your wedding.

Frequently Asked Questions (FAQ)

Can we waive child support in our agreement?

Absolutely not. Under Canadian law, child support is the legal right of the child, not the parent. You cannot legally contract out of paying child support. Any clause attempting to waive child support in a BC marriage agreement is entirely void and unenforceable.

What happens if we have a baby after signing the waiver?

Having a child is considered a massive “material change in circumstances.” If one parent takes a career hit to care for the child, a judge is highly likely to declare the original spousal support waiver significantly unfair and order support to be paid regardless of the contract.

Does a waiver apply to common-law partners in BC?

Yes. Common-law partners who live together for two continuous years have the same spousal support rights as married couples. A cohabitation agreement can include a spousal support waiver, subject to the exact same rules of fairness and full financial disclosure.

Can I stop paying spousal support if my ex gets remarried?

It depends on your agreement. A well-drafted marriage agreement or separation agreement often includes a specific clause stating that spousal support obligations will automatically terminate if the receiving spouse remarries or enters into a new common-law relationship.

Why would anyone agree to waive spousal support?

Many couples who are both high-earning professionals, or who are entering a second marriage later in life with their own established retirement funds, mutually agree to waive support. They do this to guarantee a clean break and protect the assets they intend to leave to their adult children.

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