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 authorised representative
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase is correct and usable in written English.
You can use it when referring to someone who has been appointed to act as a representative for someone or something else. Example: The duly authorised representative of the company will be attending the meeting in my place.
✓ Grammatically correct
News & Media
Science
Formal & Business
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
GNM (or its duly authorised representative) may, during the Agreement Term and for two years thereafter, upon giving reasonable notice to the Client, visit the Cient's premises during normal business hours to inspect and to make copies of all transaction records (to the extent permitted by the Data Protection Act 1998) relating to the Revenue Share.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Mr Davidson said that the litigation, which will look at documents dating back 30 years, was concerned with identifying what terms were agreed between duly authorised representatives of the NUM and Mr Scargill.
News & Media
I am the duly authorized representative of the exclusive rights holder for the website located at MySpace.com.com
News & Media
And then they'd stopped my authorised representative from collecting them".
News & Media
"We are only able to consider requests for account contents of a deceased person from an authorised representative.
News & Media
Ridgepointe was controlled by nominee directors and shareholders, with Rautenbach's lawyer, James Ramsay, referred to in the files as its "authorised representative".
News & Media
IPL or IDNM will hold any personal details it is entitled to hold on its own or a duly authorised agent's registered database for the purposes of optimising its editorial and commercial offering to readers and website users, actual or potential.
News & Media
Where a winner is not an individual, the winner will if requested procure an appropriate and authorised representative to participate and grant the use of their image in accordance with this paragraph.
News & Media
The law specifies the value and the limits of the decisions of the "authorised representatives" in the care of the incompetent patient, but does not describe the process of appointment of the authorised representative [21].
Science
The requirement that informed consent be given by a legally authorised representative dramatically slowed down the recruitment process in AdCare.
Science
Indeed, for many patients the main "outcome" of the survey was the appointment of a legally authorised representative who will be able to give informed consent in future studies.
Science
Expert writing Tips
Best practice
Use the phrase "duly authorized representative" when you need to emphasize the formal and legitimate nature of the representative's role, particularly in legal or official contexts.
Common error
Avoid assuming that a "duly authorised representative" has unlimited powers. Always verify the specific limits and conditions of their authorisation to prevent misinterpretations or overreach.
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "duly authorised representative" functions as a noun phrase, typically serving as a subject or object in a sentence. As Ludwig confirms, the phrase is correct and usable in written English, designating an agent with legitimate authority.
Frequent in
Science
32%
News & Media
32%
Formal & Business
16%
Less common in
Wiki
10%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "duly authorised representative" is a grammatically correct and usable phrase that signifies an individual who has been officially and legitimately empowered to act on behalf of someone else. Ludwig confirms its correctness and usability. It is most frequently encountered in science, news, and formal business contexts, indicating a professional and formal register. When employing this phrase, clarity regarding the scope and source of authorisation is crucial to avoid ambiguity. While synonyms exist, such as "officially designated agent", the key is to maintain the emphasis on legitimacy and official capacity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
officially designated agent
Replaces "duly authorised" with "officially designated" and "representative" with "agent", focusing on the official assignment of agency.
legally empowered representative
Substitutes "duly authorised" with "legally empowered", highlighting the legal basis of the representative's authority.
properly accredited delegate
Uses "properly accredited" instead of "duly authorised" and "delegate" instead of "representative", emphasizing the formal accreditation process.
formally appointed proxy
Replaces "representative" with "proxy", which is often used in legal and corporate contexts, and "duly authorised" with "formally appointed".
rightfully empowered spokesperson
Uses "rightfully empowered" to convey the legitimacy of the authorisation and "spokesperson" to highlight the communication aspect of the role.
validly authorized delegate
Substitutes "duly" with "validly" and "representative" with "delegate", stressing the validity of the authorization.
appropriately sanctioned advocate
Replaces "representative" with "advocate", implying a role of support and defense, and "duly authorised" with "appropriately sanctioned".
officially recognised envoy
Uses "officially recognised" instead of "duly authorised" and replaces "representative" with "envoy", suggesting a diplomatic or formal messenger role.
duly sanctioned advocate
Replaces "authorised representative" with "sanctioned advocate", conveying the legitimacy of the authorisation and implying advocacy.
lawfully designated agent
Uses "lawfully designated" instead of "duly authorized" and "agent" instead of "representative", emphasizing the legal legitimacy.
FAQs
How can I use "duly authorised representative" in a sentence?
Use "duly authorised representative" to indicate someone officially designated to act on behalf of another. For example, "The "duly authorised representative" of the company signed the agreement."
What's a good alternative to "duly authorised representative"?
Consider using "officially designated agent", "legally empowered representative", or "formally appointed proxy" as alternatives, depending on the context.
What does "duly authorised representative" mean in a legal context?
In a legal context, "duly authorised representative" refers to someone who has been officially and legally given the power to act on behalf of another person or entity, with that authorisation being properly documented and recognised.
What's the difference between "authorised representative" and "duly authorised representative"?
Adding "duly" emphasizes that the authorisation has been carried out correctly and according to all required procedures. While "authorised representative" simply means someone who is authorised, "duly authorised representative" implies that the authorisation process was complete and valid.
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
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested