Key Takeaways

  • For acknowledgments, signature may be made before appearing before notary
  • For jurats, signature MUST be made in notary's presence
  • Signers who cannot write may sign with a mark (X)
  • Signature by mark requires witnesses
  • The name signed should match the document and ID
Last updated: January 2026

Signature Requirements

When and how a document is signed depends on the type of notarial act being performed. Notaries must understand these requirements to avoid invalid notarizations.

Signature Timing by Act Type

Notarial ActSignature Timing
AcknowledgmentMay be signed before OR during appearance
JuratMUST be signed in notary's presence

Acknowledgment Signature Rules

For acknowledgments:

  • Signer may have already signed the document
  • OR signer may sign in front of the notary
  • Key requirement: Signer must acknowledge their signature

Jurat Signature Rules

For jurats:

  • Signer MUST sign in the notary's presence
  • If document is pre-signed, signer must sign again
  • Notary must watch the signing occur

Handling Pre-Signed Documents

SituationFor AcknowledgmentFor Jurat
Document already signedOK to proceedSigner must sign again
Need to re-signOptionalRequired
Cross out old signatureNot necessaryRecommended

Signature Name Requirements

The signature should match:

Match WithImportance
Name on documentMust be the same person
Name on IDReasonable match required
Commissioned name (for notary)Exactly as commissioned

Name Variations

AcceptableMay Cause Issues
John Smith = J. SmithJohn Smith ≠ Jane Smith
Robert Jones = Bob JonesComplete mismatch
María García = Maria GarciaForeign characters OK

Signature by Mark

When a signer cannot write due to disability, illness, or illiteracy, they may sign with a mark (typically an "X").

Requirements for Signature by Mark

RequirementDetails
WitnessesMay require witnesses depending on document
Notary observationNotary must watch mark being made
Name notationSigner's name should be written near mark
Identity verificationStill required as with any signer

Signature by Mark Procedure

  1. Verify identity of the person signing by mark
  2. Have witnesses present if required
  3. Watch the signer make their mark
  4. Write the person's name near the mark
  5. Note in the certificate that signature was by mark

The Notary's Own Signature

The notary must sign their name:

  • Exactly as commissioned on the certificate
  • In ink (not pencil)
  • After completing the notarial act
  • Near their official seal

Name Matching for Notaries

On CommissionMust Sign As
Jane A. SmithJane A. Smith
María GarcíaMaría García
John Q. Public, Jr.John Q. Public, Jr.

Witnessing Signatures

In some situations, the notary may witness a signature without performing a notarial act:

RoleWhat Notary Does
Notarial actIdentifies signer, performs act, applies seal
Witness onlySimply watches signature (no notarial duties)

Note: Witnessing a signature is NOT the same as notarizing it. As a witness, the notary does not apply their seal or create a notarial certificate.

Electronic Signatures

For authorized Remote Online Notarizations:

AspectRequirement
Signer's signatureElectronic signature applied digitally
Notary's signatureElectronic signature
SealElectronic seal

Electronic signatures are covered in detail in Chapter 6 (Remote Online Notarization).

On the Exam

Key points about signatures:

  • Acknowledgment: Signature may be pre-existing
  • Jurat: Signature MUST be in notary's presence
  • Signature by mark: Allowed for those who cannot write
  • Name matching: Should match ID and document
  • Notary signature: Exactly as commissioned
Test Your Knowledge

For which type of notarial act must the signer sign in the notary's presence?

A
B
C
D
Test Your Knowledge

A signer cannot write due to a physical disability. How should they sign?

A
B
C
D