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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Family Law & Divorce Ontario » Hearsay Rules and Striking Out Scandalous Affidavits in Ontario

Hearsay Rules and Striking Out Scandalous Affidavits in Ontario

12 Jun 2026 5 min read No comments Family Law & Divorce Ontario
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In Ontario family court, your Form 14A Affidavit must contain only facts you personally witnessed. If you include legal arguments, gossip, or scandalous mudslinging, the opposing lawyer can file a motion to strike out those paragraphs. Violating the hearsay rule can severely damage your credibility and result in hefty cost awards against you.

Going through a divorce is one of the most frustrating experiences of a person’s life. 💔 When you sit down to write your sworn statement for the family court, the urge to vent is incredibly powerful. You might want to tell the judge about every terrible thing your ex-partner has done over the last decade in Toronto, London, or Sudbury. You might want to quote what your neighbour said about them, or argue why the law is clearly on your side.

Giving in to this urge is a massive legal mistake. 📜 In Ontario, evidence is presented through a Form 14A Affidavit. Under the Family Law Rules, an affidavit must be restricted strictly to facts that are within your personal knowledge. A judge at the Superior Court of Justice has the power to completely “strike out” (delete) any paragraphs that contain hearsay, legal arguments, or scandalous insults. Understanding these rules is critical to protecting your case and your wallet.

Step-by-Step Process for Drafting a Clean Affidavit in Ontario

Writing an effective affidavit requires discipline. 📍 Whether you are fighting for parenting time in Ottawa or spousal support in Mississauga, following these steps ensures your evidence is actually considered by the judge.

Step 1: Sticking to Personal Knowledge

The golden rule of affidavits is that you can only testify about what you personally saw, heard, or experienced. 👤 You cannot include statements like, “My mother thinks he is a narcissist.” That is an opinion from a third party. You must state objective facts: “On Tuesday, he arrived 45 minutes late for the child handover.”

Step 2: Understanding the Hearsay Rule

Hearsay is when you repeat what someone else told you to prove it is true. 🖕 For example, writing “The child’s teacher told me she was crying all day” is hearsay. If the teacher’s observation is critical to your case, the teacher themselves must swear their own affidavit. The main exception to this rule in family court is an “admission against interest”-you are allowed to quote what your ex-partner explicitly said to you.

Step 3: Eliminating Scandalous Mudslinging

A judge will strike out “scandalous, frivolous, or vexatious” statements. 📒 Calling your ex “a manipulative monster” or bringing up an embarrassing incident from fifteen years ago that has nothing to do with current parenting time will agitate the court. Your lawyer will help you sanitize your language so the affidavit remains professional and focused on the legal issues.

Step 4: Keeping Legal Arguments Out

Do not try to play lawyer in your affidavit. 💻 Sentences like, “Pursuant to Section 15 of the Divorce Act, I am clearly entitled to spousal support” will be immediately struck out. Your affidavit is for laying out the raw facts; your law firm will deliver the legal arguments during their oral submissions or in a separate Factum.

Step 5: Responding to a Flawed Affidavit (Motion to Strike)

If your ex-partner serves you an affidavit filled with lies, hearsay, and insults, your lawyer can fight back. 🏦 Instead of sinking to their level, your lawyer will bring a preliminary “Motion to Strike” before the main hearing, asking the judge to legally ignore the offending paragraphs. If successful, the judge literally draws a line through the bad text, and the opposing side may have to pay your legal costs.

Affidavit ContentLegal ClassificationAction by the Court
“I saw her drinking heavily at 10 AM.”Direct Personal KnowledgeAdmissible (The judge will consider it)
“My neighbour said he saw her drinking.”HearsayStruck Out (Unless the neighbour swears an affidavit)
“She is a horrible, psychotic person.”Scandalous / OpinionStruck Out (Highly frowned upon)

How Much Does it Cost in Ontario?

Drafting a proper affidavit with a law firm saves you from brutal financial penalties later. 💰 Ignoring the rules is incredibly expensive.

  • Drafting the Affidavit: Having a family lawyer draft a pristine, legally compliant Form 14A generally costs $1,000 to $2,500 CAD depending on the complexity of the facts.
  • Motion to Strike Costs: If your lawyer has to file a motion to strike your ex’s scandalous affidavit, the legal fees will range from $2,000 to $4,500 CAD.
  • Cost Awards: If the judge agrees your ex’s affidavit was abusive or filled with hearsay, the judge will often order them to pay $1,000 to $3,000 CAD directly to you to cover the costs of dealing with it.

How Long Does the Process Take?

A Motion to Strike is usually heard at the very beginning of the main motion or trial. ⏱️ Filing the necessary paperwork and securing a date at the Ontario Court of Justice or Superior Court typically takes 2 to 4 months. Having to argue over bad evidence significantly delays the actual decisions regarding your children or finances.

Frequently Asked Questions (FAQ)

Can I quote what my child said about my ex?

Quoting a child is technically hearsay, but judges sometimes allow it under the “principled exception” if it goes directly to the child’s safety or state of mind. However, judges deeply dislike parents dragging children into the litigation, so this must be done very carefully with legal advice.

What happens if the judge strikes out my entire affidavit?

If your affidavit is so riddled with scandalous claims and hearsay that it cannot be salvaged, the judge may throw out the entire document. This means you will go into your hearing with zero written evidence on the record to support your case.

Can I attach my ex’s angry emails as evidence?

Yes. Emails or text messages sent directly by your ex-partner are considered “admissions against interest” and are generally not excluded by the hearsay rule. You can attach them as exhibits to show their hostile behaviour.

Is it perjury to include hearsay?

No, including hearsay is a procedural error, not a criminal act. Perjury involves intentionally lying under oath about a material fact. Hearsay simply means the court cannot legally rely on the information because it cannot be cross-examined.

Can I write the affidavit myself to save money?

Self-represented litigants often write their own affidavits, but this is exactly where most fatal mistakes occur. Without a lawyer to filter out the emotion and hearsay, you run a high risk of angering the judge and facing heavy cost penalties.

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