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How to notarize an affidavit

An illustrated image showing a person handing legal documents to a judge, who is seated at the bench holding a gavel, symbolizing a courtroom or legal proceeding.

Notaries may be concerned if they’re asked to notarize affidavits because these documents are often used in complex legal or business proceedings. But in most cases, following the basic rules of notarization will keep you on the right path. Here’s what Notaries need to know about affidavits.

What is an affidavit?

An affidavit is a sworn written statement. The person making the affidavit, who is known as an “affiant,” confirms the truthfulness of the affidavit by swearing or affirming its content is accurate.

What is the purpose of an affidavit?

Affidavits are commonly used as evidence in court proceedings such as divorces, lawsuits, and bankruptcy cases, especially if the affiant cannot appear in person. For example, an affidavit might confirm an individual’s financial or marital status or provide written testimony about disputed events in a lawsuit.

Affidavits are also used in important business transactions such as home purchases and mortgage refinancings. For example, Notary Signing Agents may encounter Signature and Name Affidavits in loan document packages to confirm the borrower is signing with his or her correct legal name, the borrower’s signature is true and correct, and the borrower is the same person referenced in credit and title reports disclosed to the lender.

Are affidavits notarized?

It is common practice for an affiant’s signature on an affidavit to be notarized. However, affidavits do not always require a jurat — some require an acknowledgment instead. Notaries should never assume the type of notarization required for an affidavit. Follow the signer’s instructions, and if the signer is not sure, check the document’s notarial certificate wording to see if the wording indicates what notarization is needed.

If it’s not clear, never select the notarial act on the signer’s behalf, because that could leave you open to penalties for the unauthorized practice of law. Instead, have the signer contact the appropriate court or a qualified attorney and obtain clear instructions for notarizing the affidavit before proceeding.

What steps must I take when notarizing an affidavit?

When you are asked to notarize an affidavit, be sure to follow all required steps for notarization.

  1. Make sure you have been provided with clear instructions on how to notarize the affidavit.
  2. If you are asked to perform a jurat on the affidavit, be sure to administer an oath or affirmation to the signer.
  3. Be sure to properly identify the signer if required.
  4. Check to confirm the Notary certificate wording is correctly completed.
  5. Complete your Notary journal entry if required by your state.

If you have questions when notarizing an affidavit, NNA members can contact the Notary Hotline for assistance. Non-members may have a complementary one-time call to have questions answered.

David Thun is the Editorial Manager at the National Notary Association.

21 Comments

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Rosa Maria Lagarda de Shammas

23 Apr 2025

Great article. Good review on acknowledgments and jurats and affidavits. Thanks

Lucas Omotosho

23 Apr 2025

Thank you for always bringing very important information to us.

emmathigpen

22 Apr 2025

Very informative. Do people not realize that at best they should consult an attorney for matters concerning an affidavits. People are not always truthful.

Sobeyda Espinoza

21 Apr 2025

Great Article!

Cassandra Pressley

21 Apr 2025

This was a good read. I am in the state of NJ. My client's insurance company is requesting an affidavit to acknowledge that he/she had work completed/repairs to the house ten years ago. The insurance company may accept an affidavit. What other documents should I use?

National Notary Association

22 Apr 2025

Hello. We're sorry, but we cannot provide advice on what types of documents would be acceptable for the situation you are describing. You would need to contact the insurance company directly to ask them.

Jonathan Kahn

21 Apr 2025

An Affidavit by definition is a sworn statement. An Acknowledgement is not a sworn statement. What kind of Affidavit takes an Acknowledgement? I have seen Affidavits with Acknowledgement certificates, but it doesn't seem to be correct. I have spoken to several lawyers and they truly do not know the difference between an Affidavit and an Acknowledgement. Did you know that they do not teach Notary law in law school? When I asked a lawyer what a Jurat was, she thought I was asking what a Giraffe was!!!

Michelle Riesenberg

21 Apr 2025

I am a notary in the state of Iowa. Is the oath that is to be given when doing a jurat, does it vary from state to state, or is there general wording that you can provide? In the past, I have typically given the oath as "Do you swear and affirm that the information contained in the document is true?" Thanks!

National Notary Association

21 Apr 2025

Hello. The state Notary handbook provides the following guidelines: “A verification contains the words ‘signed and sworn (or affirmed) before me….’ When this language is used, you must verbally administer an oath to the signer prior to the execution of the document. An oath can be administered as follows: ‘Do you swear that the statements in this document are true?’ When a person is unable to ‘swear’ due to personal or religious beliefs, the following oath may be used: ‘Do you affirm that the statements contained in this document are true?’”

Jacqueline Denise White

21 Apr 2025

THANKS SO MUCH FOR THE INFORMATION

Clifton Palmer McLendon

21 Apr 2025

(Long-time Texas Notary here) Make extra-sure the affiant PERSONALLY APPEARS in front of you, and for a jurat, WATCH HIM SIGN the document AFTER you administer the oath or affirmation.

CANDACE WILLIAMS

21 Apr 2025

VERY KNOWLEDGEABLE!!

CANDACE WILLIAMS

21 Apr 2025

Very knowledgeable!!

Shevvon Mentus-Beavers

21 Apr 2025

I would love to learn more

Joe

21 Apr 2025

Thanks for the info

Mary Ross

21 Apr 2025

Quite informative

Anderson Edouard

21 Apr 2025

Thanks. Always great to have a refresher on affidavit.

CANDACE EVANS

21 Apr 2025

Great Article!

Diana Wood

21 Apr 2025

As a fairly new notary, I'm still confused at times by the terms JURAT and ACKNOWLEDGEMENT. I only use my notary in the office for documents related to our clients (I work for a family law practice).

National Notary Association

21 Apr 2025

Hello Diana. The article and video at this link explain the differences between these two notarial acts: https://www.nationalnotary.org/notary-bulletin/blog/2015/04/key-differences-acknowledgment-jurat-certificates

Martha Welch

17 Apr 2025

Thank you, great information. It is always good to have re-fresher information from time to time.

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