Insight
Nov 27, 2025
Mackisen

Divorce and Taxes in Canada: What Separating Couples Must Know About Support Payments, Property Division, and CRA Rules

Introduction
Divorce is one of the most financially complex events a person can experience. Beyond the emotional and legal challenges, separating couples must navigate a maze of tax rules involving support payments, property transfers, asset division, home ownership, RRSP rollovers, capital gains, and shared credits. Misunderstanding these rules can result in unexpected tax bills, denied deductions, CRA disputes, or unequal division of family assets. Whether you are newly separated or in the process of negotiating a settlement, understanding divorce-related tax consequences is essential to protecting your financial future. This guide explains the key tax issues in Canadian divorce and how to avoid common pitfalls.
Why Divorce Has Major Tax Implications
Divorce affects almost every aspect of personal finances, including:
support payments (spousal vs child)
property distribution
principal residence rules
RRSP/TFSA planning
capital gains on assets
GST/HST credits and CCB
income attribution rules
tax liability tracking
CRA audits involving support claims or unreported transfers frequently occur when tax treatment is misunderstood. Proper planning ensures fairness and compliance.
Spousal Support vs Child Support: Different Tax Rules
Many Canadians incorrectly assume support payments are all treated the same. CRA rules distinguish clearly:
Spousal Support
Taxable to the recipient
Tax-deductible to the payer
Must meet CRA conditions:
paid regularly
paid under a court order or written agreement
paid for maintenance, not property division
Lump-sum spousal payments are generally not deductible.
Child Support
Not taxable to the recipient
Not deductible to the payer
CRA prohibits tax deductions for any child support payment for agreements made after April 1997.
Incorrect reporting of support payments is a common CRA reassessment trigger.
Asset Division and Property Transfers
Under divorce, assets such as homes, investments, vehicles, and business interests may be transferred between spouses. Key considerations include:
Principal Residence
Spouses may transfer principal residence ownership tax-free in most cases. However:
future capital gains may apply if the home becomes a rental or secondary property
if one taxpayer owns a second property, principal residence designation may become complicated
RRSP Transfers
RRSPs may be transferred between spouses tax-free under a written separation agreement or court order. Without proper documentation, a withdrawal may be fully taxable.
TFSA Transfers
TFSAs can be transferred to a former spouse without affecting contribution room if done under a legal agreement.
Capital Property
Investments, rental properties, or shares transferred to an ex-spouse may trigger capital gains unless rollover rules apply.
Understanding rollover provisions prevents unnecessary tax bills at separation.
Division of Family Home and Real Estate
Real estate often creates the most complicated tax outcomes. Issues include:
principal residence exemption application
partial rental or business use of home
buying out a spouse’s share
future sale tax implications
sale during separation but before divorce
If a property was not always the family home, capital gains on past years may apply.
Taxation of RRSPs, Pensions, and Family Income
Divorcing couples must evaluate:
RRSP division
pension splitting termination
CPP credit splitting
spousal RRSP effects
income attribution rules if transfers are not structured correctly
CPP credit splitting can significantly affect future retirement income and must be applied for through Service Canada.
Treatment of Joint Debts and Tax Liabilities
Separation agreements must address:
joint lines of credit
shared credit cards
income tax balances owing
GST/HST debts
business-related tax debts
Debts assigned to one spouse remain legally binding to both if joint. CRA may pursue either party for unpaid balances.
Canada Child Benefit (CCB) and Tax Credits After Divorce
Child-related tax benefits change depending on custody arrangements:
shared custody typically results in each parent receiving 50 percent of CCB
sole custody gives the full CCB to the parent with primary care
CPP child benefit, GST/HST credit, and provincial benefits may shift depending on income and residency
CRA may request proof of custody if parents disagree.
Filing Taxes After a Separation
Your marital status for tax purposes is based on your situation as of December 31. A separation of 90 days or more qualifies as legally “separated” for CRA purposes. After separation:
support payments must be reported correctly
address and dependent information must be updated with CRA
credits such as GST/HST, CCB, disability tax credit, or caregiver credit may shift
Filing incorrectly can delay refunds or trigger CRA reviews.
Business Ownership and Divorce
Business assets add complexity. Issues include:
valuation of shares
division of business interests
ownership buyout
taxation of shareholder loans
treatment of retained earnings
business income that was previously split with a spouse
Improperly structured buyouts can trigger capital gains, income attribution, or double taxation.
Documentation CRA Requires
To avoid reassessments, CRA may request:
court orders
written separation agreements
support payment receipts
bank statements
custody documentation
RRSP/TFSA transfer documentation
property transfer agreements
Accurate, organized records protect both parties.
When to Seek Professional Support
Divorce requires coordination between:
a CPA
a family lawyer
a financial planner
a valuator (if a business is involved)
Together they ensure support payments are taxed correctly, asset division avoids unnecessary tax, and long-term financial planning aligns with post-divorce goals.
Mackisen Strategy
At Mackisen CPA Montreal, we help separating couples navigate complex tax rules, structure support payments properly, evaluate property division tax impacts, manage RRSP and TFSA transfers, prepare post-separation tax filings, and defend CRA audits involving family law matters. Our objective approach ensures fairness, compliance, and optimal long-term outcomes.
Real Client Experience
A Montreal couple avoided a $40,000 tax bill by restructuring an RRSP transfer correctly. A business owner prevented double taxation when buying out an ex-spouse’s shares. A parent restored correct CCB payments after CRA disputed custody. A divorcing couple clarified taxable vs non-taxable support, preventing CRA reassessments.
Common Questions
Are spousal support payments taxable? Yes for the recipient. Is child support taxable? No. Can RRSPs be transferred tax-free? Yes under a written agreement. Who gets the CCB? Depends on custody. Are property transfers taxable? Often not, when structured properly.
Why Mackisen
With more than 35 years of combined CPA experience, Mackisen CPA Montreal provides expert divorce and tax planning support, ensuring accurate reporting, optimal financial outcomes, and full compliance with CRA rules during separation.

