What Makes a Notarized Letter Different from a Regular Letter?

A notarized letter isn't just any formal document — it's a letter that has been signed in front of a licensed notary public, who then certifies its authenticity with their official seal and signature. The structure of a notarized letter is more precise than a standard letter because it needs to include all the information a notary requires to process it correctly, as well as language that holds up to legal scrutiny.

Below is a breakdown of how to structure a notarized letter — including every key section and what it should contain.

The Core Sections of a Notarized Letter

1. Title / Document Heading

Begin with a clear, descriptive title at the top of the document. This immediately identifies the letter's purpose. Examples:

  • Notarized Letter of Authorization
  • Notarized Parental Consent Letter
  • Affidavit of Residence
  • Notarized Statement of Support

2. Date and Location

Include the date the letter is being signed and the city/state or country where notarization is taking place. This is important for legal and administrative purposes.

Example: "Dated this 3rd day of April, 2025, in the City of Chicago, State of Illinois."

3. Full Identification of the Signer(s)

Clearly state the full legal name(s) of the person(s) signing the document. Include any relevant identifying details such as:

  • Date of birth (if required)
  • Current residential address
  • Relationship to other parties mentioned (e.g., parent, employer)

Example: "I, Jane Marie Thompson, residing at 123 Elm Street, Chicago, IL 60601, hereby state as follows:"

4. Purpose Statement (Body of the Letter)

This is the main content of your letter. State clearly and factually what you are affirming, authorizing, or declaring. Use plain language and be as specific as possible. Avoid ambiguous phrases.

For an authorization letter, specify exactly what the named individual is authorized to do, for what period, and any limitations. For an affidavit, list factual statements clearly, often numbered for clarity.

5. Declaration Statement

Most notarized letters include a formal declaration clause just before the signature block. This is often standard legal language affirming that the signer understands the contents and is signing truthfully and voluntarily. Common examples:

  • "I declare under penalty of perjury that the foregoing is true and correct to the best of my knowledge."
  • "This statement is made freely and voluntarily, without duress or coercion."

6. Signature Block

Leave a clear space for the signer's handwritten signature. Include a signature line with the printed name and date underneath. Do not sign the document until you are in the physical presence of the notary.

7. Notary Public Acknowledgment Block

This section is completed by the notary, not by you. It typically includes:

  • A statement that the signer appeared before the notary on the stated date
  • Confirmation that the notary verified the signer's identity
  • The notary's signature, printed name, commission number, and official seal
  • The notary's commission expiration date

Leave ample blank space at the bottom of your document for this block — a minimum of 2–3 inches is typically sufficient.

Formatting Best Practices

  • Use a clean, readable font such as Times New Roman or Arial in 11–12pt size
  • Set margins to at least 1 inch on all sides
  • Use single spacing within paragraphs and double spacing between sections
  • Print on white, standard-size paper (8.5" x 11" in the US)
  • Do not use correction fluid (white-out) — errors should result in a reprinted document

What to Bring When You Meet the Notary

  1. Your completed but unsigned document
  2. Government-issued photo ID (passport, driver's license)
  3. Any additional documents referenced in the letter
  4. Payment for the notary fee

Final Tips

Always prepare your notarized letter carefully before your appointment. Errors found after notarization mean starting over — notaries cannot modify a document they've already stamped. When in doubt about specific language, consult a legal professional before your notary appointment.