Used and loved by millions
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
duly completed and signed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "duly completed and signed" is correct and commonly used in written English.
You might use this phrase when referring to a form or document that needs to be fully completed and signed in order to be considered valid. For example, "Please be sure to return your tax forms duly completed and signed."
✓ Grammatically correct
Formal & Business
News & Media
Science
Wiki
Alternative expressions(15)
properly filled out and signed
correctly completed and signed
fully completed and signed
executed and signed
Appropriately dated and signed
Properly dated and signed
duly dated and signed
duly executed
Duly executed
dated and signed
Correctly dated and signed
properly dated and signed
officially dated and signed
Officially dated and signed
Validly dated and signed
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
1 human-written examples
Exclusion criteria CSO submission which: a) are not sent in sealed envelopes; b) are not sent or delivered by hand to the UNICEF office before the specified deadline; c) do not include all required documents duly completed and signed or do not comply with specifications set in this Call for Expression of Interest; d) are not submitted in [English]; will be excluded from the selection process.
Formal & Business
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Submit completed and signed forms to the gallery director.
News & Media
A four-frame whitewash of the opening mini-session was duly completed and O'Sullivan strode from the arena with a hip-swivelling momentum.
News & Media
Two participants had documentation of duly completed family planning cards and maintained that they had received all injections as required.
Science
This conclusive victory was the hosts' 17th successive win, equalling the world record for a tier one nation, and has duly completed a 3-0 series drilling.
News & Media
Arsenal seldom threatened Claudio Bravo's goal in the last 20 minutes and City duly completed their first win, having been behind at half-time, since November 2012.
News & Media
Darren McCormack's handball meant a second booking and dismissal as well as a second penalty for the visitors, and Gibson duly completed the scoring.
News & Media
The proportion of duly completed certificates (parameter 6) increased from 27%to52%2% (Table 3 and Figure 1) and the proportion of acceptable certificates (parameter 7) increased from 68%to90%0% (Table 3 and Figure 1).
Science
The next two games went with serve before Konta again exploited the frailty of the Williams serve to earn a second break and put her, at 5-2, on the verge of victory which, despite some signs of nerves and with Williams fighting to the last, she duly completed on her third match point after a tough final game.
News & Media
The summarising statements were duly completed in 64.3% of the U-17 teams and 85.7% of the U-20 teams.
At the visit, all participants were duly informed and signed a consent form to take part in the study.
Expert writing Tips
Best practice
When using "duly completed and signed", ensure that all required fields are filled out accurately before signing to maintain validity.
Common error
Avoid rushing the completion process. Double-check all entries for accuracy before signing, as errors can invalidate the document.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "duly completed and signed" functions as an adjectival phrase, typically modifying a noun like "form", "document", or "application". As Ludwig AI confirms, this phrase is commonly used to describe documents that have been properly filled out and validated with a signature.
Frequent in
Formal & Business
25%
News & Media
25%
Science
25%
Less common in
Wiki
25%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "duly completed and signed" is a grammatically correct and professionally suitable way to describe a document that has been filled out accurately and validated with a signature. Ludwig AI confirms the correctness of this expression and highlights its frequent occurrence in formal and business contexts. While not exceedingly common, the phrase effectively communicates the thoroughness and validity of a document, making it a valuable addition to professional and formal communication. Be sure that accuracy and fulfillment are in place before the signature is affixed to guarantee the documents validation.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
properly filled out and signed
Replaces "duly" with "properly" and maintains the core meaning of accurate completion and signature.
correctly completed and signed
Substitutes "duly" with "correctly", emphasizing the accuracy of completion alongside the signature.
fully completed and signed
Replaces "duly" with "fully", highlighting the completeness of the form before signing.
completely filled out and signed
Uses "completely filled out" to convey the thoroughness of completion, maintaining the need for a signature.
appropriately completed and signed
Replaces "duly" with "appropriately", focusing on the suitability and correctness of the completion.
executed and signed
Uses "executed" to imply proper completion and validation through signature.
signed and completed as required
Reorders the phrase to emphasize the signature and adds "as required" to specify adherence to guidelines.
signed and properly filled in
Replaces "completed" with "properly filled in", keeping the signature element.
verified completed and signed
Adds the idea of "verified" to specify it was checked before being signed.
submitted with all sections complete and signed
Expands the phrase to include submission and stresses the completion of all sections.
FAQs
How can I ensure a form is "duly completed and signed"?
To ensure a form is "duly completed and signed", meticulously fill out all required fields accurately, review for any errors or omissions, and then affix your signature in the designated area. Following instructions and providing truthful information are key.
What does "duly" mean in the context of "duly completed and signed"?
In the context of "duly completed and signed", "duly" means properly, correctly, or in accordance with what is required. It emphasizes that the completion and signing process was done according to the necessary guidelines and regulations.
Are there legal implications if a document is not "duly completed and signed"?
Yes, there can be legal implications if a document is not "duly completed and signed". It may render the document invalid, unenforceable, or inadmissible in legal proceedings. The exact consequences depend on the specific document and applicable laws.
What are some alternatives to saying "duly completed and signed"?
You can use alternatives like "properly filled out and signed", "correctly completed and signed", or "fully completed and signed" depending on the context.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested