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Affidavit of Witness to a Signature
A sworn affidavit by a witness confirming they saw a person sign a document — used to prove a signature was properly witnessed. Fill it in online, download a ready-to-sign PDF, and notarize in Ontario.
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Also known as
- Witnessing Affidavit
- Attesting Witness Affidavit
- Affidavit of Subscribing Witness
+1 more names
- Sworn Statement of Witness to Signing
AFFIDAVIT OF WITNESS TO A SIGNATURE
I, ______, of ______, in the Province of Ontario, MAKE OATH AND SAY (or AFFIRM) that:
On ______, at ______, I was present and personally witnessed ______ sign the document described as: ______.
The person signed the document freely and in my presence, and I signed as a witness.
I am not a party to the document and have no interest in its subject matter.
I make this solemn declaration conscientiously believing it to be true and knowing that it is of the same force and effect as if made under oath.
Signed and sworn (or affirmed/declared) before me by videoconference in Ottawa, Ontario, while the Affiant(s)/Declarant(s) were located in ______________________, on ______________________, pursuant to O. Reg. 431/20, and Electronic Commerce Act, 2000.
______________________________ | ______________________________ |
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- General template, not legal advice
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Affidavit of Witness to a Signature
A compact preview of this template
01Witness Information
Your full legal name
Full name of the person who signed
Your full address
AFFIDAVIT OF WITNESS TO A SIGNATURE
I, ______, of ______, in the Province of Ontario, MAKE OATH AND SAY (or AFFIRM) that:
On ______, at ______, I was present and personally witnessed ______ sign the document described as: ______.
The person signed the document freely and in my presence, and I signed as a witness.
I am not a party to the document and have no interest in its subject matter.
I make this solemn declaration conscientiously believing it to be true and knowing that it is of the same force and effect as if made under oath.
Signed and sworn (or affirmed/declared) before me by videoconference in Ottawa, Ontario, while the Affiant(s)/Declarant(s) were located in ______________________, on ______________________, pursuant to O. Reg. 431/20, and Electronic Commerce Act, 2000.
______________________________ | ______________________________ |
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How it works
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Overview
About this document
- 01
What is an affidavit of witness to a signature?
It is a sworn statement — also called a witnessing affidavit or attesting witness affidavit — by the person who saw the signer sign, confirming the signing took place in their presence.
It supports documents where the signature must be shown to have been witnessed.
- 02
When you might need one
It is used to prove proper witnessing.
- A document must be confirmed as signed in the presence of a witness.
- A party needs sworn proof of who witnessed a signature and when.
- You witnessed a signing and are asked to swear to what you saw.
- 03
What to include
Identify the document, the person who signed, and the date and place of signing, and confirm you were present and saw them sign. For a will, codicil, or other document with its own execution rules, use the matching execution affidavit.
- 04
How to notarize a affidavit of witness to a signature in Ontario
After you fill in your affidavit of witness to a signature and download the PDF, do not sign it in advance. A sworn document must be signed in front of a notary public or commissioner for taking affidavits, who administers your oath or solemn affirmation first.
Minute Notary commissions your affidavit of witness to a signature online by secure video, under Ontario's remote commissioning rules (O. Reg. 431/20), or in person in Ottawa. Bring valid government-issued photo identification so we can verify your identity before applying the notary seal.
Good to know
Before you fill it in.
Short notes from our notary on this template. Worth a minute before you start.
- 01
Reviewed for use in Ontario by a notary public and commissioner for taking affidavits.
- 02
Fill it in online for free and download a ready-to-sign PDF — no account required.
- 03
Sign in front of the notary, who administers your oath or affirmation and applies the seal.
- 04
Notarize online by video across Ontario, or in person in Ottawa.
Frequently asked
Questions about the Affidavit of Witness to a Signature
- Who swears this affidavit?
- The witness who saw the person sign — not the signer. They confirm from personal knowledge that the signing took place in their presence.
- Is this the same as an affidavit of execution?
- It is closely related. Wills, codicils, and certain documents have their own execution affidavit; use the matching one for those.
- Can I notarize it online in Ontario?
- Yes. You can swear it online by video under Ontario’s remote commissioning rules, or in person in Ottawa with Minute Notary.
- What should it include?
- The document, the signer, the date and place of signing, and a confirmation you were present and saw them sign.
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Fill it in online, then download a ready-to-sign PDF or an editable Word copy. Use the generated PDF to continue to booking. Not sure what the appointment involves? Read about the Statutory Declarations service first.