Ontario Divorce Lawyer Miao He: Can a Property Division Calculation Be Recalculated After Changing Lawyers Mid-Litigation?

Questions Clients Commonly Ask

“I have already filed my financial statement. Can the numbers still be changed?”

“The previous calculation said I owe a large amount, and I have always felt that something was wrong, but I did not know where to start.”

“We have already had a case conference. Is it too late to change lawyers now?”

1. First, Determine What Can Be Changed and What May Already Be Final

Many clients assume that once a financial statement has been filed, the numbers are permanently fixed.

That is not necessarily the case.

The first question is what document or position is actually involved.

What Can Generally Be Corrected

Financial Statements — Form 13.1 / Form 13

A financial statement is sworn financial evidence. It is not, by itself, a contractual promise to the other spouse.

If there are:

• factual errors;
• omitted assets;
• incorrect valuations;
• omitted debts;
• incorrect treatment of pensions;
• errors involving foreign assets;
• incorrect deductions; or
• errors in the legal characterization of property,

the calculation can generally be revisited and the financial disclosure corrected.

A revised financial statement or supplementary disclosure can be used to explain why the numbers have changed and to provide the supporting documents.

Correcting an error properly is a normal part of litigation. What can damage credibility is making unexplained changes or repeatedly changing numbers without supporting evidence.

Application or Answer

A party’s position in an Application, Answer, or Reply can also potentially be amended.

Under Rule 11 of the Family Law Rules, an application, answer, or reply may be amended in accordance with the rule. Where court permission is required, the court generally grants permission unless the amendment would prejudice another party in a way that cannot be compensated by costs or an adjournment.

So, changing your legal position does not automatically mean that you are stuck with what your previous lawyer pleaded.

Unaccepted Settlement Offers and Settlement Discussions

An unaccepted settlement offer does not, simply because it was made, become a binding settlement agreement.

Similarly, discussions and correspondence exchanged in an attempt to settle the case need to be distinguished from a finalized and binding domestic contract.

This is why it is important to determine exactly what was signed, accepted, or ordered—not simply what the previous lawyer discussed with the other side.

2. What Is Much Harder to Change?

A Signed Separation Agreement

A signed separation agreement is fundamentally different from a Form 13.1.

The Family Law Act provides specific circumstances in which a court may set aside a domestic contract. Section 56(4), for example, addresses circumstances involving significant non-disclosure, failure to understand the nature or consequences of the contract, and other statutory grounds.

This is a high-threshold route.

Simply discovering later that a lawyer’s property calculation was wrong does not automatically mean that a signed separation agreement can be reopened.

The practical question becomes much more complicated:

Was there a legally sufficient reason to set the agreement aside, rather than simply a calculation that should have been different?

That distinction matters enormously.

Memorandum of Settlement and Consent Order

A memorandum of settlement or other settlement document may also create significant problems if the parties have already reached a binding settlement.

A consent order is even more serious because the court has already made an order.

At that stage, the question is no longer simply:

“Can we recalculate NFP?”

It may become:

“What legal basis exists to reopen or set aside the agreement or order?”

That is a completely different litigation problem.

The Practical Rule

If you think the numbers are wrong, raise the issue before signing the agreement.

The cost difference between:

“Let’s recalculate the NFP before settlement.”

and

“We need to undo the settlement because the NFP was calculated incorrectly.”

can be enormous.

A Practical Observation

In cases handled by Miao He, there have been situations where a new lawyer was retained in the middle of litigation and the entire NFP calculation was reviewed again.

The practical experience is that, where the recalculation is completed before a binding settlement is finalized, the corrected numbers can sometimes allow the parties to resolve the case without proceeding to trial.

3. Eight Common Entry Points for Recalculating Net Family Property

1. Matrimonial-Home Status Is Determined by Reference to the Time of Separation

This is one of the most frequently overlooked issues.

Section 4(1) of the Family Law Act generally allows property owned on the date of marriage to be deducted from NFP, but there is an important exception for a matrimonial home.

Section 18(1), however, defines matrimonial-home status by reference to the spouses’ family residence, including the situation at the time of separation where the spouses have separated.

Therefore, if:

• one spouse owned a house before marriage;
• the spouses lived there after marriage;
• the house was sold before separation; and
• the spouses purchased another home and lived there until separation,

the former home may no longer be a matrimonial home at the time of separation.

Its value at the date of marriage may therefore be deductible.

See Folga v. Folga (1986), 2 R.F.L. (3d) 358 (Ont. H.C.J.), Nahatchewitz v. Nahatchewitz, 1999 CanLII 787 (ON CA), and Lau v. Tao, 2025 ONCA 819.

This is precisely the type of issue that may be missed in an initial calculation and discovered only after a new lawyer reviews the file.

2. Foreign Assets

Ontario’s equalization regime generally takes into account global assets.

A property does not escape the NFP calculation simply because it is located in China, Hong Kong, the United States, or another jurisdiction.

At the same time, under s. 28(1), property outside Ontario does not fall within Ontario’s statutory matrimonial-home regime.

This can have important consequences.

For example, a pre-marriage property in China may:

• be included as an asset at the date of separation;
• have its value at the date of marriage deducted; and
• potentially produce a negative contribution to NFP if its value has declined.

Foreign assets are therefore an area where an earlier calculation can be wrong in both directions.

3. Depreciation of Property Owned Before Marriage

Another common error is to record the pre-marriage property only as a deduction and ignore its value at separation.

The NFP calculation considers both sides.

The property’s value at the date of marriage may be deducted, while its value at the date of separation is included as an asset.

If the value has fallen substantially, the property may make a negative contribution to NFP.

For example:

	Date of Marriage	Date of Separation
Property in China — CAD value	$800,000	$600,000

The property contributes −$200,000 to NFP.

That does not mean the other spouse owes the owner $200,000.

Under s. 4(5), NFP cannot be less than zero.

But where the owner has other NFP, the depreciation may reduce that NFP and therefore reduce the equalization payment.

This is an issue that is surprisingly easy to miss if the previous lawyer simply carried forward the original property value without properly analyzing the date-of-separation value.

4. Debts Existing on the Date of Marriage

The deduction for property owned on the date of marriage is based on net value, not simply gross asset value.

Pre-marriage debts can therefore matter.

Examples may include:

• student loans;
• credit-card balances;
• personal loans;
• family loans; and
• other debts existing on the date of marriage.

The statutory treatment of debts associated with the acquisition or improvement of a matrimonial home requires separate attention.

A recalculation should therefore not simply ask:

“What assets did I own when I got married?”

It should also ask:

“What debts did I have on the date of marriage?”

5. Contingent Liabilities and Costs of Disposition

Another area frequently overlooked is the appropriate treatment of costs and liabilities associated with realizing an asset.

Depending on the asset, the calculation may need to consider:

• real estate disposition costs;
• applicable tax consequences;
• tax liabilities associated with RRSPs or similar investments; and
• tax consequences associated with selling corporate or investment interests.

The question is not necessarily:

“What does this asset say on the statement?”

The question is:

“What is the appropriate value of this asset for family-law purposes?”

6. Pensions

Pensions are another frequent source of calculation errors.

For an Ontario registered pension plan, the relevant family-law value is the Family Law Value calculated under the applicable pension legislation.

The amount appearing on a pension statement or the current account balance cannot simply be substituted for the legally required Family Law Value.

If a pension was treated as an ordinary investment account in the previous NFP calculation, the calculation may need to be reviewed.

7. The Date of Separation — the Valuation Date

A surprisingly small change in the date of separation can sometimes produce a significant change in NFP.

The relevant issue is not simply the date one spouse moved out.

The court looks at whether the marital relationship had broken down and, among other factors, whether there was no reasonable prospect of resuming cohabitation.

This becomes particularly complicated where the parties:

• continue living under the same roof;
• maintain joint finances;
• continue presenting themselves as a couple;
• have separate bedrooms but otherwise continue family life; or
• disagree about when the marriage actually ended.

If the previous lawyer used the wrong valuation date, the entire NFP calculation may need to be revisited.

8. Exclusions Under s. 4(2)

There is another important distinction between a deduction and an exclusion.

Under s. 4(2), certain property received during the marriage—such as qualifying gifts or inheritances—may be excluded from NFP.

The tracing rules can allow excluded property to be traced into replacement property, but there is an important limitation involving a matrimonial home.

This is a different legal regime from the deduction under s. 4(1) for property owned on the date of marriage.

Confusing these two concepts can materially change the calculation.

The Common Thread: The Burden of Proof

Across these issues, one principle is critical:

The spouse claiming a deduction or exclusion has the burden of proving it.

That means a new lawyer cannot simply change the spreadsheet.

The revised calculation needs evidence.

Bank statements, title documents, purchase and sale agreements, appraisals, pension statements, tax records, foreign-property documents, and other financial records may all become important.

The stronger the documentary trail, the stronger the recalculation.

4. The Limitation Period Does Not Restart When You Change Lawyers

This is one of the most important practical points.

Under s. 7(3) of the Family Law Act, an equalization claim is subject to statutory time limits.

Generally, the claim must be made by the earliest applicable date, including:

• two years after the divorce or declaration of nullity;
• six years after the date of separation, where there is no reasonable prospect of resuming cohabitation; or
• six months after the death of a spouse.

There are circumstances in which the court may extend a limitation period, but that requires a separate legal analysis and is not automatic.

Changing Lawyers Does Not Restart the Clock

If you separated five years ago and change lawyers today, you do not receive another six years.

If you were divorced eighteen months ago and change lawyers today, you do not receive another two years.

The limitation period continues to run.

Therefore, when considering changing counsel, one of the first things to check is the limitation period.

Do not wait until after you have finished reviewing every number.

5. Changing Lawyers During an Ongoing Case

Changing lawyers during litigation is not unusual.

Under the Family Law Rules, a represented party can change lawyers by serving and filing the required Notice of Change in Representation (Form 4), subject to the applicable procedural requirements.

The court does not ordinarily treat a client negatively simply because the client has decided to retain new counsel.

The bigger concern is timing.

If a lawyer is changed:

• shortly before trial;
• after a long procedural history;
• after multiple case conferences;
• after expert reports have been exchanged; or
• after significant trial preparation,

the change can create delay and additional costs.

That does not mean that you should stay with a lawyer simply because the case has progressed.

It means that the earlier the problem is identified, the easier it usually is to fix.

6. Your File and the Transition to New Counsel

When the retainer ends, the new lawyer will need the complete litigation file.

That may include:

• pleadings;
• financial statements;
• disclosure;
• affidavits;
• court orders;
• endorsements;
• case conference briefs;
• settlement offers;
• correspondence;
• expert reports;
• pension calculations;
• property appraisals; and
• previous NFP calculations.

The purpose is not simply to “get a copy of the file.”

The new lawyer needs to understand how the previous calculation was built.

A spreadsheet showing that the equalization payment is $500,000 is not enough.

The important question is:

Why is every number in that spreadsheet there?

7. Was the Previous Lawyer Responsible?

This is a separate legal question from the family-law proceeding.

A calculation that turns out to be wrong does not automatically mean that the previous lawyer was negligent.

The analysis may depend on:

• the law applicable at the time;
• the evidence available to the lawyer;
• what documents the client provided;
• whether the issue involved a reasonable legal disagreement;
• whether the lawyer identified and explained the relevant issue;
• whether the error actually caused financial loss; and
• whether any applicable limitation period has expired.

This article does not assess whether a particular lawyer was negligent.

If you believe your previous lawyer may have made a serious error, you should obtain advice from an independent lawyer.

The lawyer currently representing you in the family matter may have a conflict if asked to assess the potential liability of your former lawyer.

8. What to Prepare Before Meeting Your New Lawyer

If you are changing counsel because you believe the property division calculation is wrong, do not simply bring the latest spreadsheet.

Bring the underlying evidence.

At minimum, try to gather:

Dates

• Date of marriage;
• Date of separation;
• Evidence supporting the separation date;
• Date of divorce, if applicable.

Financial Records

• Bank statements for the month of marriage, not merely the year;
• Investment statements;
• Bank statements for the month of separation;
• Credit-card and loan statements;
• Tax returns and notices of assessment.

Real Estate

• Title documents;
• Purchase agreements;
• Sale agreements;
• Mortgage statements;
• Closing documents;
• Appraisal reports;
• Documents relating to foreign properties.

Family-Law Documents

• Previous Form 13.1 Financial Statements;
• All financial disclosure;
• Affidavits;
• Court orders;
• Endorsements;
• Case conference materials;
• Settlement offers;
• Draft agreements;
• Signed agreements.

And One More Thing

Prepare your own list of questions.

Write down:

• Which number do you think is wrong?
• Why do you think it is wrong?
• What document supports your position?
• What did your previous lawyer tell you about that number?
• Was there an asset or debt that was never included?
• Was there a property that was valued at the wrong date?
• Was a foreign asset omitted?
• Was a pre-marriage deduction calculated incorrectly?

Clients often know their own financial history better than anyone else.

Sometimes the most important starting point is simply:

“This number doesn’t look right.”

9. The Bottom Line

Changing lawyers does not mean that you are stuck with the previous lawyer’s property-division calculation.

If the case is still in litigation and no binding settlement has been finalized, there may be considerable room to:

• correct financial disclosure;
• obtain missing documents;
• revise valuations;
• identify omitted assets;
• identify omitted debts;
• recalculate pre-marriage deductions;
• revisit the valuation date;
• properly account for foreign property;
• correct pension calculations; and
• revise the NFP and equalization position.

But there is an important distinction:

Recalculating NFP is one issue. Undoing a binding settlement or consent order is another.

That is why the best time to discover a calculation error is before you sign.

And if you are considering changing lawyers, the first questions should be:

• What stage is the case at?
• Has anything already been settled or ordered?
• What is the applicable limitation period?
• What exactly is wrong with the existing calculation?
• What documents can prove the correction?

The sooner those questions are answered, the more options you are likely to have.

Statutory and Case Authorities

• Family Law Act, R.S.O. 1990, c. F.3, ss. 2(8), 4(1), 4(2), 4(3), 4(5), 7(3), 18(1), 28(1), 56(4)
• Family Law Rules, O. Reg. 114/99, r. 4, r. 11, r. 13
• Folga v. Folga (1986), 2 R.F.L. (3d) 358 (Ont. H.C.J.), at 363
• Nahatchewitz v. Nahatchewitz, 1999 CanLII 787 (ON CA)
• Lau v. Tao, 2025 ONCA 819
• Family Law Act — Ontario e-Laws
• Family Law Rules — Ontario e-Laws

This article provides general legal information only. It does not constitute legal advice for any particular case and does not create a solicitor-client relationship. Limitation periods and procedural requirements vary depending on the circumstances and may have irreversible consequences. Legislation and case law change; confirm the current authorities before relying on a citation.