Key Takeaways

  • A credible witness is a third party who personally knows both the notary and the signer
  • The credible witness must take an oath or affirmation vouching for the signer's identity
  • The notary must identify the credible witness (by personal knowledge or acceptable ID)
  • The credible witness cannot have a financial interest or be named in the document
  • Used when signer lacks acceptable ID and notary doesn't personally know them
Last updated: January 2026

Credible Witness Identification

When a signer lacks acceptable identification and the notary does not personally know them, a credible witness may be used to verify the signer's identity.

What is a Credible Witness?

A credible witness is an impartial third party who:

  • Personally knows the signer
  • Can take an oath or affirmation verifying the signer's identity
  • Is identified by the notary (through personal knowledge or acceptable ID)
  • Has no financial interest in the document
  • Is not named in the document

Requirements for a Credible Witness

RequirementDetails
Personally knows signerHas ongoing relationship with signer
Identified by notaryNotary knows witness OR witness presents valid ID
No financial interestCannot benefit from the transaction
Not named in documentCannot be a party to the document
Takes oathMust swear/affirm to signer's identity
Appears in personMust be present with signer

The Credible Witness Process

Step 1: Credible Witness Appears

The credible witness appears before the notary with the signer.

Step 2: Notary Identifies the Witness

The notary identifies the credible witness by:

  • Personal knowledge of the witness, OR
  • Acceptable identification document from the witness

Step 3: Oath or Affirmation

The notary administers an oath or affirmation to the credible witness:

"Do you swear (or affirm) that you personally know [signer's name] and that they are the person named in this document?"

Step 4: Witness Vouches for Signer

The credible witness affirms under oath that:

  • They personally know the signer
  • The signer is who they claim to be
  • The signer is the person named in the document

Step 5: Proceed with Notarization

With the signer's identity verified through the credible witness, the notary may proceed with the notarial act.

Who Can Serve as a Credible Witness

AcceptableNot Acceptable
Friend who knows signer wellCasual acquaintance
Family member of signer (if no interest in doc)Someone with financial interest
Coworker who knows signerSomeone named in the document
Long-time neighborSomeone who just met signer

Journal Entry Requirements

When using a credible witness, record in your journal:

  • Name and address of the credible witness
  • How the witness was identified
  • That oath was administered to witness
  • Type of notarial act performed

ID Requirements for the Credible Witness

The credible witness must be identified by the notary using:

MethodRequirements
Personal knowledgeNotary personally knows the witness
Acceptable IDSame standards as for any signer (valid or expired within 3 years, photo, signature, government-issued)

On the Exam

Key points:

  • Credible witness must personally know the signer
  • Notary must identify the credible witness first
  • Witness takes oath about signer's identity
  • Witness cannot have financial interest
  • Witness cannot be named in document
Test Your Knowledge

Before accepting verification from a credible witness, what must the notary do first?

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B
C
D
Test Your Knowledge

Which of the following would disqualify someone from serving as a credible witness?

A
B
C
D