Key Takeaways
- Colorado requires a rectangular ink stamp (embossers not allowed)
- The stamp must contain: notary name, "Notary Public," "State of Colorado," ID number, and expiration date
- No other information or symbols allowed within the stamp border
- Stamp must be applied clearly near or under the notary's signature
- Notary must keep the stamping device secure at all times
Last updated: January 2026
Seal and Stamp Requirements
Colorado has specific requirements for the notary stamp (seal). Understanding these requirements ensures compliance and valid notarizations.
Stamp Format Requirements
| Requirement | Specification |
|---|---|
| Shape | Rectangular only |
| Type | Ink stamp only |
| Embosser | NOT allowed |
| Border | Rectangular outline (plain or decorative) |
Required Information on Stamp
The stamp must contain ONLY the following inside the border:
| Element | Requirement |
|---|---|
| 1. Notary's name | Printed legal name |
| 2. "Notary Public" | These exact words |
| 3. "State of Colorado" | These exact words |
| 4. Notary ID number | Unique identifier |
| 5. Commission expiration date | When commission expires |
Prohibited on Stamp
| Prohibited Element | Reason |
|---|---|
| Additional text | Only required info allowed |
| Symbols or icons | No decorations within border |
| Colorado state seal | Not permitted |
| Logos | Not permitted |
| Cute characters | Not permitted |
Stamp Specifications
| Specification | Common Standard |
|---|---|
| Size | Typically 1" x 2.5" |
| Ink color | Not specified (usually black or blue) |
| Self-inking | Recommended for convenience |
| Rubber stamp | Acceptable |
Stamp Placement
| Requirement | Description |
|---|---|
| Location | Under or near notary's signature |
| Clarity | Must be clearly applied |
| Legibility | All information must be readable |
| Avoid overlapping | Do not stamp over signatures or text |
Security Duties
Keeping the Stamp Secure
| Duty | Description |
|---|---|
| Physical security | Store in locked location |
| Control access | Only notary should access stamp |
| Don't leave unattended | Keep secure at all times |
| Report theft | Notify Secretary of State if stolen |
When Commission Ends
| Action | Requirement |
|---|---|
| Deface or disable | Make stamp unusable |
| Destroy | Destroy the stamp |
| No longer required | Don't need to send to Secretary of State |
Common Stamp Mistakes
| Mistake | Correction |
|---|---|
| Smeared ink | Restamp if possible, initial correction |
| Upside down | Restamp correctly |
| Illegible | Must be able to read all information |
| Over signature | Stamp near, not over signature |
Ordering Your Stamp
| Consideration | Recommendation |
|---|---|
| Timing | Order after commission approved |
| Source | Use reputable notary supply company |
| Verification | Check all information is correct |
| Quality | Invest in durable stamp |
Electronic Stamps
For electronic notarizations:
| Requirement | Description |
|---|---|
| Electronic seal | Digital version of stamp |
| Same information | Contains same required elements |
| Tamper-evident | Must be secure |
| Compliance | Must meet SOS rules |
On the Exam
- Shape: Rectangular only (no round stamps)
- Type: Ink stamp only (no embossers)
- Required info: Name, "Notary Public," "State of Colorado," ID number, expiration
- Prohibited: Additional symbols, icons, state seal
- Security: Must keep stamp secure at all times
Test Your Knowledge
What shape must a Colorado notary stamp be?
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Test Your Knowledge
Can a Colorado notary include the Colorado state seal on their stamp?
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Test Your Knowledge
What must a notary do with their stamp when their commission expires?
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