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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
I, the undersigned,
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I, the undersigned" is correct and usable in written English.
This phrase is typically used at the end of a formal document to refer to oneself. For example, "I, the undersigned, agree to the terms of this contract."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(3)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
7 human-written examples
FTheVote also provides volunteers with a downloadable contract ("I, the undersigned, acknowledge that in exchange for physical affection... from the co-signee, I will cast my vote for any candidate other than George W. Bush in the upcoming 2004 presidential election").
News & Media
LISSA: I, the undersigned, do hereby swear to give up lying to others and/or myself for the remaining -- what is it?
News & Media
The site encourages students to take the following pledge: "I, the undersigned, am a prospective college student and pledge to specify my race incorrectly on my college entrance applications as an act of civil disobedience in protest of the use of racial preferences in college admissions".
News & Media
I could have made a personal declaration that "I will always be too expensive to buy", but that was clearly a no-no, so I put my signature instead to a form stating that "I, the undersigned, hereby certify that I will always mean what I say".
News & Media
I can already feel it piling into the garbage segment of my political memory, so that one day in the future, Javid's oaths will have become I, the undersigned, do hereby promise to defend John Major's cones around Theresa May's racist vans, protect them from the vandalism of ridicule, because that is the British way; to tolerate views you disagree with, including this stupid oath.
News & Media
Competing interests I, the undersigned, certify that the BANNISTER clinical trial «Beta Agonist Nebulization in Non Invasively ventilated Chronic Obstructive Pulmonary Disease (COPD) patients: Safety and Therapeutic Efficacy Range» , was funded by Association pour la Promotion à Tours de la Réanimation Médicale and the bench study by Inserm.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
The declaration reads: "The undersigned oppose a preventive war against Iraq without broad international support.
News & Media
The petition reads: "We, the undersigned, call on the government to ban the sale of young puppies/kittens unless their mothers are present.
News & Media
Hereby, the undersigned Doina Dimonie I declare that the 3-D system preparation method is protected by a national patent request.
Science
If you have any contradictory information, I would be grateful if you would forward it as I am sure the POTUS, the SCOTUS and the undersigned (the FWOTSC) would be most interested in seeing it.
News & Media
I draft a petition to the landlord: "We, the undersigned residents, request that installers be allowed to upgrade the building's cable system so that we can be connected to the new fiber-optic cable buried on our street that is available to our neighbors".
News & Media
Expert writing Tips
Best practice
Use "I, the undersigned," in formal documents such as contracts, agreements, and affidavits to clearly identify yourself as the agreeing party.
Common error
Avoid using "I, the undersigned," in informal contexts. This phrase is best suited for legal or official documents; use simpler language for everyday writing.
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I, the undersigned," functions as a formal declaration of identity and agreement within a document. According to Ludwig AI, it is a correct and usable phrase in written English. This construction is commonly found at the beginning of a clause where an individual acknowledges their responsibility or commitment.
Frequent in
News & Media
43%
Science
29%
Wiki
14%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "I, the undersigned," is a grammatically sound and formally appropriate way to refer to oneself within legal or official documents. Ludwig AI confirms its correctness and usability. While not frequently used in everyday conversation, this phrase serves an important purpose in establishing accountability and agreement in formal settings. As demonstrated by Ludwig's examples, it commonly appears in contexts such as news reporting, scientific publications, and legal agreements.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I, the signatory,
Replaces "undersigned" with "signatory", emphasizing the act of signing.
I, the below-mentioned,
Specifies that the person is mentioned later in the document.
I, the affiant,
A formal term used when making a sworn statement or affidavit.
I, the declarant,
Used when making a formal declaration.
I, whose signature appears below,
A more descriptive and explicit alternative.
I, the person signing below,
Simplifies the language while retaining the meaning.
As the undersigned,
Omits "I" and uses a prepositional phrase to indicate the signer.
The undersigned,
Removes "I" for a more concise, formal tone.
I, the writer of this document,
Emphasizes authorship and agreement with the contents.
Being the undersigned,
Gerund phrase variation; slight shift in emphasis.
FAQs
When is it appropriate to use "I, the undersigned," in a sentence?
Use "I, the undersigned," primarily in formal documents, legal agreements, or official statements where you need to formally acknowledge your agreement or declaration. It's common in contracts and affidavits.
What are some alternatives to "I, the undersigned,"?
Depending on the context, you can use alternatives like "I, the signatory", "I, the declarant", or simply "the undersigned".
Is "I, the undersigned," grammatically correct?
Yes, "I, the undersigned," is grammatically correct. It's a formal way of referring to oneself in a document, indicating agreement or acknowledgment.
What does "I, the undersigned," mean?
"I, the undersigned," means "I, the person whose name is signed below". It's a formal way to identify yourself as the person who is agreeing to or declaring something in a document.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested