As of May 2026, a Form 14A Affidavit is your sworn, written evidence in an Ontario family law motion. It must be strictly factual, concise, and free from emotional attacks. If you include arguments or hearsay, the judge may strike your evidence and penalize you with costs.
When you are navigating a divorce in Ontario, you will quickly learn that most of the “talking” to the judge is not done verbally in a courtroom like on television. 🖞 Instead, almost all evidence is presented in writing through a document called a sworn Affidavit. Whether you are seeking emergency parenting time, asking for spousal support, or trying to freeze a bank account, the judge will read your story before you ever step foot in the Superior Court of Justice.
Because the affidavit acts as your direct testimony under oath, the Ontario Family Law Rules place extremely strict boundaries on what it can contain. Many self-represented individuals make the fatal mistake of using their affidavit as a diary to complain about their ex-spouse’s personality. This completely undermines your credibility. A well-drafted affidavit is a strategic, emotionless recitation of pure facts. This guide will teach you the step-by-step process of drafting a powerful, legally compliant affidavit.
Step-by-Step Process for Drafting an Affidavit in Ontario
Whether your motion is taking place in London, Ottawa, or Mississauga, the rules of evidence are identical. Most applicants in this province rely on a family lawyer to draft these documents, as separating personal emotion from legal facts is incredibly difficult when it involves your own family.
Step 1: Understand the Purpose of the Motion
Before typing a single word, you must identify exactly what legal test you are trying to meet. 🔍 If you are asking for decision-making responsibility (formerly custody), the only facts that matter are those relating to the best interests of the child. Rambling about a financial dispute from five years ago is irrelevant and will annoy the judge. Outline the specific legal points you need to prove.
Step 2: Stick to the “Who, What, When, Where”
Your affidavit must be written in the first person (“I swear that…”) and organized into short, numbered paragraphs. Each paragraph should contain only one or two facts. You must write only what you personally saw, heard, or experienced. Do not write: “My ex is a terrible person who hates me.” Instead, write the fact: “On May 12, 2026, my former spouse yelled at me in the driveway while the children were present.” Let the judge draw their own conclusions from the facts.
Step 3: Avoid Hearsay and Argument
Hearsay is generally strictly forbidden. You cannot say, “My neighbour told me that my ex was drinking.” 🙅 If the neighbour’s observation is critical, the neighbour must swear their own separate affidavit. Furthermore, do not include legal arguments in the affidavit (e.g., “Therefore, under Section 15 of the Family Law Act…”). Legal arguments belong in your lawyer’s Factum, not your factual evidence.
Step 4: Attach Concrete Exhibits
An affidavit is infinitely stronger when backed by documentary proof. If you claim your spouse sent you a threatening message, attach a screenshot of the text message as an “Exhibit.” You must refer to it properly in the text: “Attached as Exhibit A is a true copy of a text message I received from the Respondent on June 1, 2026.” Ensure all exhibits are clearly labelled and legible.
Step 5: Swearing and Commissioning
Once the document is perfectly drafted, you cannot simply sign it at your kitchen table. 📝 An affidavit is a legal oath. You must sign it in the physical or virtual presence of a Commissioner for Taking Affidavits, a Notary Public, or a lawyer. They will ask you to swear on a religious text or solemnly affirm that the contents are true, and then they will stamp and sign the document.
How Much Does it Cost in Ontario?
Drafting a compelling affidavit is one of the most time-consuming parts of family litigation, and the costs generally reflect the time spent by legal professionals.
| Expense Type | Estimated Cost (CAD) |
|---|---|
| Lawyer Drafting & Review | $1,500 – $3,500+ (Depending on length and complexity) |
| Commissioning / Notary Fee (if self-represented) | $30 – $70 per signature |
| Court Filing Fees (Motion) | $127 – $160 (Depending on the type of motion) |
How Long Does the Process Take?
Drafting a solid affidavit usually takes a law firm a few days of back-and-forth revisions with you to ensure absolute accuracy. However, the true time constraint is the court’s strict service deadlines. For a standard motion in the Superior Court of Justice, your Form 14A Affidavit must be served on the opposing party at least 6 days before the hearing if you are the applicant, or 4 days before if you are the respondent.
Frequently Asked Questions (FAQ)
What happens if I lie in my affidavit?
Lying in a sworn affidavit is perjury, which is an indictable offence under the Criminal Code of Canada. In family court, if a judge discovers you intentionally lied, your credibility will be destroyed, you will likely lose your motion, and you may be ordered to pay thousands of dollars in the other side’s legal costs.
Is there a page limit for my affidavit?
Yes. The Ontario Family Law Rules strictly limit affidavits. For most regular motions, your affidavit cannot exceed 10 pages in length (excluding exhibits) unless you get special permission from the judge. Keep it concise.
Can my new partner write an affidavit to support me?
Yes, any person with relevant, first-hand factual knowledge can swear an affidavit. However, judges generally give less weight to affidavits from new partners or close family members because they are inherently biased. Independent witnesses are much more powerful.
Can I cross out a mistake after it is commissioned?
No. Once the document is sworn and stamped by a commissioner, you cannot alter it in any way. If you realize a mistake was made, your lawyer must usually draft and swear a brief “Supplementary Affidavit” to correct the error.
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