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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
must be declared
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "must be declared" is correct and usable in written English. You can use it in contexts where something is required to be announced or made known, often in legal, financial, or formal situations. Example: "All assets must be declared on the tax form." Alternative expressions include "needs to be disclosed" and "has to be reported."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(18)
must be registered
subject to registration
must be entered
must be retained
must be inserted
must be recorded
must be restricted
must be identified
must be discovered
must be removed
must be mainstreamed
must be requested
need to be documented
should be noted
needs to be registered
should be registered
requires registration
are to declareted
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
60 human-written examples
A will must be declared in the form of an instrument in writing.
Encyclopedias
It must be declared a notifiable disease that makes reporting of deaths mandatory.
News & Media
"The Obamacare bill is unconstitutional and must be declared null and void".
News & Media
Deserters wanting at least temporary legal status must be declared refugees.
News & Media
The scheme has strict eligibility criteria including that the employer must be declared bankrupt or liquidated.
News & Media
Testing ranges must be declared, but there can be changes by mutual agreement.
News & Media
First, a player must be declared out of position and informed he is on the clock by a rules official.
News & Media
Under German law, any donation to a party that exceeds 20,000 marks ($10,500) must be declared.
News & Media
The rules of the competition, which attracted 43,000 entries, state that "images of captive animals must be declared.
News & Media
That is why the House of Commons rules set a threshold above which all such gifts must be declared.
News & Media
"I must be declared the winner because I have won; there is no alternative," Mr. Mazoka said at a news conference as his supporters whistled and cheered.
News & Media
Expert writing Tips
Best practice
Use "must be declared" in formal contexts where a legal or regulatory obligation exists to disclose information, such as financial disclosures, customs declarations, or adherence to competition rules.
Common error
Avoid using "must be declared" in casual conversation. Opt for more informal alternatives like "needs to be said" or "should be mentioned" to maintain an appropriate tone.
Source & Trust
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "must be declared" primarily functions as a passive voice construction, indicating an obligation or requirement for something to be revealed or announced. As Ludwig AI confirms, it is correctly and widely used in English.
Frequent in
News & Media
50%
Science
25%
Formal & Business
15%
Less common in
Encyclopedias
5%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "must be declared" is a commonly used phrase to signify a mandatory disclosure or announcement, as confirmed by Ludwig AI. Its use is grammatically correct and frequently appears in formal contexts such as legal, financial, and regulatory settings. The phrase functions as a passive voice construction, emphasizing the obligation to reveal information. While it is most prevalent in news, scientific, and formal business contexts, alternative phrases like "is required to be reported" or "has to be disclosed" can offer variations in tone and emphasis. When writing, remember to maintain an appropriate level of formality and avoid using "must be declared" in casual conversation.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is required to be reported
Specifies the necessity of reporting, focusing on a formal obligation.
is obliged to be stated
Highlights a mandatory obligation to state something clearly.
has to be disclosed
Emphasizes the act of revealing information that was previously concealed.
needs to be announced
Focuses on the act of making a formal public announcement.
should be proclaimed
Suggests a more formal and emphatic declaration.
is to be notified
Highlights the act of officially informing someone.
must be registered
Emphasizes the formal recording of something with an official body.
is imperative to reveal
Highlights the critical importance of revealing certain information.
is compulsory to divulge
Implies a legal or regulatory requirement to disclose information.
is essential to communicate
Emphasizes the necessity of conveying information, especially in a clear and direct manner.
FAQs
How can I use "must be declared" in a sentence?
The phrase "must be declared" is used to indicate a requirement or obligation to reveal or announce something. For example, "All income "must be declared" on your tax return".
What is a more formal way to say "must be declared"?
For a more formal tone, consider using phrases like "is required to be reported" or "is obliged to be stated". These alternatives emphasize the mandatory nature of the disclosure.
Which is correct: "must be declared" or "should be declared"?
"Must be declared" indicates a mandatory requirement, while "should be declared" suggests a recommendation or suggestion. The choice depends on whether there is a strict obligation or simply a suggestion to disclose something.
What can I say instead of "must be declared" in a less formal context?
In less formal situations, consider using alternatives like "has to be disclosed", "needs to be announced", or "has to be revealed". These options convey a similar meaning without the same level of formality.
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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
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested