2.2 Seal Specifications

Key Takeaways

  • The seal must legibly reproduce all required elements under photographic methods (the "photographically reproducible" standard)
  • Allowed shapes and sizes: circular not over 2 inches in diameter, or rectangular not more than 1 inch by 2.5 inches, with a serrated or milled edge border
  • A photographically reproducible inked rubber stamp may be used alone; an embosser produces a raised impression that does not reproduce and may be used only in addition to the stamp
  • Use dark ink (black is standard) so the impression reproduces clearly on copies, scans, and faxes
  • Place the seal in the notarial certificate area near your signature, never over text or signatures
Last updated: June 2026

The "Photographically Reproducible" Standard

Government Code 8207 says the seal must be affixed by a press or stamp that "legibly reproduces under photographic methods the required elements of the seal." In plain terms, every element from Section 2.1 must remain readable after the document is photocopied, scanned, faxed, photographed, or microfilmed. This is the most-tested specification, and the reason embossers cannot stand alone.

Years after a signing, a title company, court, or county recorder may pull only a copy. If the seal vanished on that copy, there is no proof the act ever occurred — potentially voiding the document.

How to Test a New Seal

  1. Stamp a blank sheet of paper.
  2. Make a black-and-white photocopy.
  3. Scan the page to PDF.
  4. Confirm the name, State Seal, "Notary Public," county, expiration date, and both ID numbers are all legible on the copy and scan.

If any element blurs or disappears, replace the seal before using it.

Exact Size and Shape Limits

Unlike many states, California puts hard numbers in the statute:

ShapeMaximum sizeBorder
Circularnot over 2 inches in diameterserrated or milled edge
Rectangularnot more than 1 inch wide by 2.5 inches longserrated or milled edge

Neither shape is legally preferred. Rectangular seals dominate in practice because they fit cleanly into acknowledgment and jurat certificate blocks; circular seals carry the traditional notary appearance. Whichever you choose, the seal must be large enough that all required elements stay legible after reproduction yet small enough to fit the certificate area.

Rubber Stamp vs. Embosser

This comparison is a guaranteed exam item:

FeatureInked rubber stampEmbosser (raised impression)
How it marks paperdark ink on the surfaceraised/crimped paper, no ink
Photographically reproducible?YesNo
May be used alone?YesNo — only WITH a stamp
Typical rolethe required, legal sealoptional anti-forgery supplement

Critical rule: an embosser may be used only in addition to an inked, photographically reproducible seal — never by itself. Because a raised impression does not show up on a photocopy, an embosser-only notarization fails the statutory standard.

Worked example: A notary embosses (and only embosses) a real estate deed. Ten years later the title company opens its file and finds a photocopy with no visible seal. The recording is questioned and the transaction stalls while the parties hunt for the original. Had the notary inked a rubber stamp — with or without the embosser — the copy would have shown a complete, legible seal.

Ink Color

The statute does not name a color, but the photographic-reproducibility requirement effectively does the work:

RequirementPractical rule
Must reproduce on copies/scans/faxesuse black ink (the standard)
Must hold high contrastavoid light blue, yellow, gray, or pastels
Must not bleed over textuse a quality pad and clean impression

Black reproduces reliably on both monochrome and color copiers, which is why nearly all California notaries use it.

Proper Placement on the Document

DoDon't
Place the seal in the notarial certificate area, near your signaturePlace it at the top of the page or far from your signature
Keep the entire impression inside the page marginsLet any part run off the edge
Stamp on blank space so every element showsStamp over printed text or any signature
Use a loose certificate if space is too tightCram a partial, illegible impression into a small block

If the preprinted certificate has no room, attach a separate, properly completed acknowledgment or jurat certificate and seal that instead — never overlap the signer's signature or the document text.

Why California Differs From Other States

Many states permit any clear seal, accept embosser-only impressions, or set no size limits. California is stricter on three points worth memorizing: the photographically reproducible standard, the embosser-only prohibition, and the hard size limits in the statute. If a question describes a notary in "a state that allows embosser-only seals" or "no size cap," recognize that as a non-California rule used as a distractor.

Quality and Maintenance Habits

A technically compliant seal still fails if the impression is weak. Build these into your routine:

HabitWhy it matters
Re-ink or replace the pad before it fadesa faint stamp may not reproduce on a copy
Press evenly on a hard, flat surfacepartial impressions can hide a required element
Keep a clean backing sheet under the pageprevents smearing across text
Re-test after any drop or damagea cracked die can drop characters

If even one element — the name, county, expiration date, or either ID number — fails to reproduce, the seal is functionally noncompliant and should be replaced. Treat a degraded seal the same as a damaged one: do not keep using it just because it is not technically broken.

On the Exam

Expect 2-3 questions. The anchors are: the phrase "photographically reproducible" (named directly), the rule that an embosser may never be used alone while a rubber stamp may, the exact size limits (circular ≤2" diameter; rectangular ≤1" × 2.5"), black ink as the practical standard, and placement near your signature without covering text.

Test Your Knowledge

What are the maximum dimensions California law allows for a rectangular notary seal?

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Test Your Knowledge

Why may an embosser not be used as a notary's only seal in California?

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Test Your Knowledge

A signer's preprinted acknowledgment block is too small for the notary's seal. What is the correct action?

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