Maternity and parental leave Employment Insurance (EI) benefits are treated as income when calculating spousal support in Ontario. Because EI replaces only up to 55% of your earnings, a 12-to-18 month leave causes a dramatic drop in income that may justify a temporary adjustment in your support arrangement.
Welcoming a new child is a major life event, but if you are navigating a separation or divorce in Ontario at the same time, the financial shift can be overwhelming. Taking a standard 12-to-18 month maternity or parental leave means transitioning from your regular salary to federal Employment Insurance (EI) benefits.
Understanding how the dramatic drop in income during parental leave affects a spouse’s entitlement to receive-or obligation to pay-support is vital. 📈 Ontario family law relies on the Spousal Support Advisory Guidelines (SSAG) to ensure both parties maintain a fair standard of living, even during temporary life transitions like maternity leave.
Step-by-Step Process to Adjust Support for Maternity Leave
Whether you reside in Vaughan, Markham, or Kitchener, the family courts recognize that a statutory maternity leave is a legitimate reason for a temporary reduction in income. Here is how you can generally navigate this situation.
Step 1: Calculating the New Temporary Income
Your first step is to determine your exact income during the leave. 🖩 You must gather documentation showing your federal EI benefit rate from Service Canada. If your employer provides a “top-up” (supplemental unemployment benefit), this amount must also be added to your total gross income calculation for spousal support purposes.
Step 2: Reviewing Your Separation Agreement
Check if your existing separation agreement anticipates future parental leaves. Many modern Ontario agreements include a clause stipulating that support will be recalculated annually based on the previous year’s tax returns and notices of assessment from the CRA, automatically accounting for the EI income drop.
Step 3: Negotiating a Temporary Adjustment
If you are the paying spouse going on leave, you should negotiate a temporary reduction in your payments with your ex-spouse. 🤝 If you are the receiving spouse going on leave, you may be entitled to higher spousal support during those 12 to 18 months due to your decreased earning capacity.
Step 4: Formalizing the Change Legally
Any agreed-upon change must be drafted by a lawyer into an Amending Agreement and filed with the Family Responsibility Office (FRO). Without formalizing the change, FRO will continue enforcing the original amount, which could lead to massive arrears for a paying spouse on leave.
Imputing Income: Will the Court Force You to Work?
A common dispute arises when one spouse feels the other is using maternity leave to avoid working. 👨⚒️ Generally, Ontario courts respect a parent’s right to take the standard 12 to 18 months of statutory leave provided under Canadian labour laws. During this period, courts will rarely “impute” (assign a fake, higher income to) the parent on leave. However, once the standard statutory leave expires, a judge may expect the parent to return to the workforce or begin imputing their pre-leave salary.
Costs Associated with Adjusting Support in Ontario
Handling modifications to spousal support due to maternity leave will involve legal and administrative costs. 💵 Here is what you should expect to pay in Ontario as of May 2026.
| Service / Filing | Estimated Cost (CAD) | Details |
|---|---|---|
| Filing a Consent Motion to Change | No Court Fee | If both parties agree to the change, the Superior Court does not charge a filing fee. |
| Independent Legal Advice (ILA) | $400 – $800 | Lawyer fee to review the temporary amending agreement before signing. |
| Contested Motion to Change (Legal Fees) | $0 court fee ($5,000 – $15,000+ legal fees) | There is no court fee to file Form 15 under Ontario rules, but you will incur significant legal representation fees if your ex-spouse opposes the modification. |
How Long Does the Modification Process Take?
If both spouses are amicable and agree to adjust the spousal support based on the Service Canada EI statements, signing a new agreement takes about 2 to 4 weeks. Updating the file with FRO takes an additional 30 to 60 days. If the matter goes to family court because one spouse refuses to acknowledge the income drop, the litigation process can span 6 to 10 months.
Frequently Asked Questions (FAQ)
Are maternity EI benefits considered income for spousal support?
Yes. Although Employment Insurance (EI) benefits are less than your regular salary, they are still considered taxable income by the CRA and are fully factored into the Spousal Support Advisory Guidelines (SSAG) calculations in Ontario.
Can my ex demand I return to work early from maternity leave?
Generally, no. Ontario family courts recognize the societal and legal importance of parental leave. A judge will rarely force a parent to return to work before their statutory 12-to-18 month leave ends, nor will they usually impute a full-time income during this recognized period.
What happens if I receive a maternity top-up from my employer?
If your employer provides a top-up that brings your income closer to your regular salary (e.g., up to 80% or 90%), this extra money is added to your EI benefits to determine your total gross income for spousal support calculations.
Does the Canada Child Benefit (CCB) count towards spousal support?
The Canada Child Benefit (CCB) is completely tax-free and is excluded from gross income calculations for basic table child support. However, under the Spousal Support Advisory Guidelines (SSAG) ‘With Child Support’ formula, the CCB is strictly required to be included in the recipient’s Net Disposable Income (NDI) calculation to determine the final amount of spousal support, as it plays a key role in balancing household standards of living.
What if I decide not to return to work after my leave ends?
If you choose to become a stay-at-home parent indefinitely after your statutory leave expires, an Ontario court may decide to impute income to you. This means they will calculate spousal support as if you were earning your previous salary, as you have an obligation to contribute to your own support where possible.
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