3.4 Signature Requirements
Key Takeaways
- Acknowledgment signatures may be made before appearing; the signer simply acknowledges the signature is theirs
- Jurat (affidavit) signatures must be made in the notary's presence
- A signer who cannot write may sign by mark (an X), watched by the notary
- The notary signs exactly as commissioned, in ink, next to the official stamp
- Witnessing a signature is not the same as notarizing it
Timing Depends on the Act
The single most-tested signature concept in Ohio is when the signer must sign, and it turns entirely on whether the act is an acknowledgment or a jurat.
| Notarial act | When must the signer sign? | What the signer does before the notary |
|---|---|---|
| Acknowledgment | Before OR during appearance | Declares the signature is theirs, made willingly |
| Jurat (sworn affidavit) | In the notary's presence | Signs in front of you AND swears the contents are true |
Acknowledgments
For an acknowledgment, the document may already be signed when the signer arrives. The signer's job is to acknowledge—to confirm that the signature is genuinely theirs and was made voluntarily. The notary is certifying who acknowledged, not watching the pen move.
Jurats
For a jurat, the signer must sign in front of you and take an oath or affirmation that the document's contents are true. If the affidavit arrives pre-signed, the signer must sign again in your presence. Watching the signature is mandatory—this is why a mailed-in affidavit can never be a valid jurat.
Handling Pre-Signed Documents
| Situation | Acknowledgment | Jurat |
|---|---|---|
| Already signed before arrival | Proceed; signer acknowledges | Signer must re-sign in your presence |
| Need a fresh signature | Optional | Required |
Name Matching
The signed name should be consistent with the document and with the ID. Reasonable shortenings are fine; an outright different identity is not.
| Generally acceptable | Likely a problem |
|---|---|
| John Smith signing as "J. Smith" | "John Smith" on ID, "Jane Smith" on document |
| Robert known as "Bob Jones" | A name with no relationship to the ID |
| María García vs. "Maria Garcia" (accent) | Completely unrelated surname |
If the ID shows a fuller or different legal name than the document, note the variation and, where appropriate, have the signer sign the name as it appears in the document while you confirm identity from the ID.
Signature by Mark
A signer who cannot write—because of disability, illness, or illiteracy—may sign with a mark, usually an "X." The process:
- Verify the signer's identity exactly as for any signer.
- Have witnesses present if the document or institution requires them.
- Watch the signer make the mark.
- Write the signer's printed name beside the mark.
- Note in or near the certificate that the signature was made by mark.
The mark is the signer's signature; the notary does not sign for the signer, and a separate person never signs the signer's name in their place.
The Notary's Own Signature
| On the commission | You must sign as |
|---|---|
| Jane A. Smith | Jane A. Smith |
| María García | María García |
| John Q. Public, Jr. | John Q. Public, Jr. |
Sign in ink (never pencil), exactly as commissioned, after the act is complete, adjacent to your official stamp. A printed or typed name is not a signature.
Witnessing Is Not Notarizing
| Role | What you do |
|---|---|
| Notarial act | Identify the signer, perform the act, complete the certificate, apply the stamp |
| Personal witness only | Merely observe the signing—no certificate, no stamp |
When you act as a plain witness (for example, a will requiring two witnesses), you are not exercising your commission. Do not apply your notary stamp—doing so could imply a notarization that did not occur. Electronic signatures and seals used in online notarization are covered in Chapter 6.
Acknowledgment Versus Jurat: The Decisive Distinction
If you remember only one thing about signatures, make it this contrast, because the exam returns to it again and again. An acknowledgment answers the question "Did this person sign, and do they admit it freely?"—so a pre-existing signature is fine; the signer simply confirms it is theirs. A jurat answers a different question: "Did this person swear, before me, that the contents are true?"—so the signer must both sign in your presence and take an oath or affirmation. The acknowledgment is about authorship; the jurat is about truthfulness under oath.
A document that arrives already signed can be acknowledged immediately, but to receive a jurat that same document must be signed again while you watch.
Consider a power-of-attorney form using acknowledgment language: the principal already signed it at home, then appears and says, "Yes, that's my signature." You may proceed. Now consider an affidavit of residency using jurat language that arrives pre-signed: you must have the affiant sign a fresh signature in front of you and administer the oath before completing the certificate.
Reading the Certificate to Choose the Rule
The certificate wording tells you which rule applies. Acknowledgment certificates use phrases like "acknowledged before me." Jurat certificates use "subscribed and sworn to before me." The word sworn is your signal that an oath and an in-presence signature are required.
| Certificate phrase | Act type | Signature timing | Oath? |
|---|---|---|---|
| "acknowledged before me" | Acknowledgment | Before or during appearance | No |
| "subscribed and sworn to before me" | Jurat | In the notary's presence | Yes |
A practical trap: if a signer presents a pre-signed document bearing "subscribed and sworn" language, do not be tempted to accept the existing signature "to save time." The phrase itself certifies that the signing happened before you. Accepting a prior signature would make your own certificate false.
For which notarial act must the signer sign in the notary's presence?
A signer with a hand injury cannot write. How may the document be signed?