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Preparing an Affidavit for Family Law Matters

How to write an effective affidavit. Structure, what to include, common mistakes, and making your evidence count.

Splitifi Team14 November 202410 min read

What is an Affidavit?

An affidavit is a sworn written statement of evidence. It's the main way you present your case to the court in family law matters.

Structure

Formal Parts

1. Heading - Court, case number, parties 2. Introduction - Your name, address, occupation 3. Body - Numbered paragraphs with your evidence 4. Signature and Jurat - Your signature, witnessed by authorised person

Content Structure

Organise logically:

  • Background (relationship, children)
  • Relevant history
  • Current situation
  • What you're seeking and why

    Writing Tips

    Use First Person

    *"I saw..."*, *"I believe..."*, *"On 15 March 2024, I..."*

    Be Specific

    Bad: *"He was often late picking up the children."*

    Good: *"On five occasions between January and March 2024 (specifically 15 Jan, 28 Jan, 10 Feb, 22 Feb, and 5 Mar), the Respondent was more than 30 minutes late for changeover."*

    Stick to Facts

    - State what you saw, heard, or did

  • Don't include hearsay (what others told you) unless necessary
  • Don't argue or make submissions

    Number Paragraphs

    Every paragraph should be numbered for easy reference.

    Attach Documents

    Refer to supporting documents as "Annexure A", "Annexure B" etc.

    What to Include

    For Parenting Matters

    - Relationship background

  • Children's details and needs
  • Current arrangements
  • What you're proposing
  • Why it's in children's best interests
  • Any concerns about the other parent

    For Property Matters

    - Relationship timeline

  • Assets and liabilities (values)
  • Your contributions (financial and non-financial)
  • Future needs factors

    Common Mistakes

    Being Too Long

    Courts prefer concise, focused affidavits. Don't repeat yourself.

    Being Too Emotional

    Stick to facts. Rants about your ex aren't helpful.

    Including Irrelevant History

    Focus on what matters to the issues before the court.

    Not Providing Evidence

    Assertions without supporting evidence are weak. Attach documents.

    Guessing or Speculating

    Only state what you actually know.

    Swearing/Affirming

    Who Can Witness

    - Justice of the Peace

  • Solicitor
  • Court registry staff

    What You're Doing

    Declaring under oath that the contents are true. Lying is perjury.

    Filing

    File at the court registry with:

  • The original (signed and witnessed)
  • Copies as required
  • Filing fee (if applicable)
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