Key Takeaways

  • Ohio notary seal must include the Great Seal of Ohio (coat of arms)
  • Seal must be circular, 3/4 inch to 1 inch in diameter
  • Must include "Notary Public," notary's name, and "State of Ohio"
  • Seal must be kept under notary's exclusive control
  • Electronic seal required for Remote Online Notarizations
Last updated: January 2026

Seal Requirements

Your notary seal is your official mark of authority. Ohio law specifies exactly what must appear on your seal and how it must be used.

Required Seal Elements

Every Ohio notary seal must contain ALL of the following:

ElementRequirement
Great Seal of OhioThe Ohio coat of arms in the center
"Notary Public"Or "Notarial Seal" (or similar wording)
Notary's NameAs it appears on your commission
"State of Ohio"Jurisdiction indicator

Seal Specifications

Size Requirements

SpecificationRequirement
ShapeCircular
Diameter3/4 inch to 1 inch
BorderWithin a circular border

Content Placement

The Great Seal of Ohio (coat of arms) must be in the center of the seal, with the required text surrounding it.

Seal Format Options

FormatTraditionalRON
Rubber stamp (ink)YesNo
EmbosserAdditional optionNo
Electronic sealNoRequired

Seal vs. Stamp

While often used interchangeably, there's a distinction:

TermMeaning
SealThe official device that makes the impression
StampOften refers to the rubber stamp specifically
ImpressionThe mark left on the document

Using Your Seal

When to Affix Seal

The notary seal must be affixed to every notarial certificate:

  • After completing the certificate
  • Near your signature
  • In a clear, legible manner

Proper Seal Placement

DoDon't
Place near your signaturePlace over text or signatures
Ensure complete impressionLet seal run off page edge
Use appropriate inkUse faded or unclear ink
Keep seal legibleSmudge or blur the impression

Seal Impression Quality

The seal impression must be:

  • Clear and legible
  • Complete (all elements visible)
  • Dark enough to be readable
  • Not overlapping text or signatures

Seal Security

Exclusive Control Requirement

RuleDetails
Only you may use your sealNo lending to others
Keep it secureLocked storage when not in use
Don't leave unattendedPrevent unauthorized use
Employer cannot use itEven if they paid for it

Lost or Stolen Seal

If your seal is lost, stolen, or damaged:

ActionDetails
Report to SOSNotify Secretary of State promptly
Order replacementGet new seal immediately
Cannot notarizeDo not perform notarizations without proper seal
Document the incidentKeep records of what happened

Seal Destruction

Your seal must be destroyed when:

SituationWhen to Destroy
Commission expiresImmediately upon expiration
You resignSame day as resignation
Commission is revokedImmediately upon notice
You get a new sealAfter new seal arrives
Name changeAfter new seal with new name arrives

How to Destroy

MethodPurpose
Cut rubber stampPrevent use
Break embosserDisable mechanism
Dispose separatelyDon't leave intact in trash
Deface completelyMake unusable

Electronic Seals (RON)

For Remote Online Notarizations, an electronic seal is required:

RequirementDetails
FormatDigital/electronic
ElementsSame required elements as physical seal
SecurityTamper-evident
PlatformProvided through RON platform

Common Seal Mistakes

MistakeProblemSolution
Incomplete impressionMissing informationRe-stamp clearly
Over text/signatureObscures contentPlace in clear area
Faded inkHard to readRe-ink stamp
Using expired sealInvalid commissionOrder new seal with current dates

On the Exam

Key points about seals:

  • Required elements: Great Seal of Ohio, "Notary Public," name, "State of Ohio"
  • Size: 3/4 inch to 1 inch diameter, circular
  • Security: Exclusive control, never lend
  • Destruction: When commission ends or is revoked
  • RON: Requires electronic seal
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Ohio Notary Seal Required Elements
Test Your Knowledge

What must appear in the CENTER of an Ohio notary seal?

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Test Your Knowledge

What is the required diameter range for an Ohio notary seal?

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Test Your Knowledge

Your employer asks to keep your notary seal in the office so other employees can use it when you're away. What should you do?

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