Notary Knowledge: Understanding the Most Common Notarial Services
- Jul 18
- 4 min read
Updated: Aug 5
A notarial service is an official act performed by a commissioned Notary Public to help deter fraud and verify the authenticity of certain legal transactions. Different services serve different purposes, and the correct one depends on the document, the signer's intent, and your state's laws.
A notary should never choose the notarial service for the customer unless state law specifically allows it. If the document does not indicate which notarization is required, the signer should decide or seek legal advice.
Why It Matters
Every notarization follows a legal process.
Using the wrong notarial service can delay transactions, create legal issues, or result in an invalid notarization.
Understanding the differences helps notaries perform their duties correctly and helps signers know what to expect during an appointment.
Acknowledgment
What It Is
An acknowledgment confirms that the signer voluntarily signed a document and acknowledges that the signature belongs to them.
The document may already be signed before the appointment if state law permits.
Common Uses
Real estate documents
Powers of attorney
Trust documents
Business agreements
Property transfers
What the Notary Verifies
The signer's identity.
The signer willingly executed the document.
The signer understands the purpose of the document.
Jurat
What It Is
A jurat requires the signer to personally appear before the notary, sign the document (or acknowledge a signature if allowed by state law), and swear or affirm that the contents are true.
Common Uses
Affidavits
Sworn statements
Depositions
Court documents
Certain government forms
What the Notary Verifies
The signer's identity.
The signer signs in accordance with state law.
The signer takes an oath or affirmation regarding the truthfulness of the document.
Oath
What It Is
An oath is a solemn promise to tell the truth or faithfully perform certain duties.
Traditionally, the person swearing an oath may invoke a religious belief, although practices vary.
Common Uses
Public office
Witness testimony
Affidavits
Official declarations
Affirmation
What It Is
An affirmation serves the same legal purpose as an oath but does not involve religious language.
It is simply a solemn promise that statements are truthful.
Common Uses
Court proceedings
Affidavits
Government documents
Individuals who prefer a nonreligious declaration
Signature Witnessing
What It Is
In states where permitted, a notary observes a person signing a document and verifies the identity of the signer.
Unlike an acknowledgment, the signature generally occurs in the notary's presence.
Common Uses
Contracts
Private agreements
Certain legal documents
Business forms
Not all states authorize notaries to perform signature witnessing.
Copy Certification
What It Is
Some states allow notaries to certify that a copy matches the original document.
Many states prohibit notaries from certifying copies of certain public records, such as birth certificates or marriage certificates.
Common Uses
Business documents
Personal records
Educational documents (where permitted)
Certain non-record documents
Always verify whether your state's laws allow copy certifications.
Verification on Oath or Affirmation
Some states use the term Verification on Oath or Affirmation instead of jurat or treat it as a separate notarial act.
The signer swears or affirms that the statements contained in the document are true before the notary completes the certificate.
Always follow the terminology and procedures required by your state's laws.
Electronic and Remote Notarizations
Many states now authorize electronic notarization or Remote Online Notarization (RON).
Although the technology changes, the underlying notarial service often remains the same, such as an acknowledgment or jurat performed electronically.
Availability and procedures vary by state.
Real-World Example
Michael is purchasing a home.
At the closing appointment, several documents require acknowledgments because he is confirming that he voluntarily signed them.
Later, he completes an affidavit for another legal matter, which requires a jurat because he must swear that the information in the document is true.
Although both appointments involve a notary, the procedures are different because each serves a different legal purpose.
Common Mistakes
Avoid these common mistakes:
Assuming every notarization is the same.
Choosing the notarial service for the signer when not authorized to do so.
Skipping required verbal ceremonies for oaths or jurats.
Performing services that are not authorized in your state.
Failing to verify identity before completing the notarization.
Quick Tips
Always identify the required notarial certificate before beginning.
Follow your state's notary laws for every appointment.
Require personal appearance whenever your state's law requires it.
Never provide legal advice unless you are licensed to do so.
Keep learning as laws and procedures evolve.
Final Thoughts
Notarial services may appear similar, but each has a distinct legal purpose and specific procedures. Understanding these differences helps protect the public, supports the integrity of legal documents, and allows notaries to perform their duties professionally. As you gain experience, recognizing the correct notarial service becomes an essential part of every successful appointment.
Frequently Asked Questions
What is the most common notarial service?
Acknowledgments and jurats are generally the two most frequently performed notarial services in the United States.
Generally, no. Unless state law specifically allows it, the signer or the receiving agency must determine the required notarial service.
Are notarial services the same in every state?
No. Each state establishes its own notary laws, authorized services, and procedures.
Can every notary perform copy certifications?
No. Some states allow copy certifications, while others prohibit them or limit the types of documents that may be certified.
Where can I learn the requirements for my state?
Consult your state's notary commissioning authority, official notary handbook, or approved educational resources for the laws and procedures that apply in your jurisdiction.
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