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
except where necessary for
Grammar usage guide and real-world examplesUSAGE SUMMARY
This phrase is correct and usable in written English.
It is used to indicate that an action should be done, or something should be true in general, but that an exception should be made in certain cases. For instance, you could say "We require all employees to wear uniforms, except where necessary for their job duties."
✓ Grammatically correct
Science
News & Media
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
Additionally, the Geneva Conventions bar "close confinement" for prisoners of war – a classification the Bush administration denied CIA detainees – except where "necessary to safeguard their health".
News & Media
Avoid the use of technical jargon except where necessary.
Wiki
The interviewers provided no clues to questions except to offer clarifications where necessary.
Science
Where necessary, they approached professionals for assistance.
Science
Oppose burqa bans except where it is necessary for security, safety or effective delivery of public services Support the right of Muslims to build mosques subject to normal planning rules 2. End discrimination against nonreligious belief systems or organisations by ending their exclusion from: Protected religious broadcasting slots.
News & Media
She also noted that the law did not distinguish between procedures used before fetal viability and those used after, when the government may regulate or ban abortion except where it is necessary for the preservation of the life or health of the woman.
News & Media
The omentum was preserved except where resection was necessary for LN dissection along the right gastroepiploic artery.
For the whole ITS analyses, the alignments created by Clustal W and SATé were used for further analyses without manual adjustment except for some trimming of highly gapped ends where necessary.
Science
Label them for future reference where necessary.
Wiki
Applications of fertilisers and crop protection chemicals were appropriate for the different crops, and included, where necessary and where possible, herbicides to control wheat volunteers (except in plots of winter wheat).
Science
Mr. Barak should prohibit the use of deadly force except where absolutely necessary to protect Israeli lives.
News & Media
Expert writing Tips
Best practice
Use "except where necessary for" to clearly define specific exceptions to a general rule, ensuring clarity and avoiding ambiguity in guidelines or instructions.
Common error
Avoid using passive constructions with "except where necessary for"; instead, actively state who deems it necessary and why. This makes the sentence more direct and easier to understand.
Source & Trust
76%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "except where necessary for" functions as a conditional exemption. It introduces a specific condition under which a general rule or statement does not apply. As Ludwig AI indicates, it sets an exception to a broader condition.
Frequent in
Science
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News & Media
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Formal & Business
0%
Less common in
Wiki
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Encyclopedias
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Reference
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Ludwig's WRAP-UP
In summary, the phrase "except where necessary for" provides a conditional exemption to a rule, allowing for flexibility in specific cases. Ludwig AI confirms its grammatical correctness. While it may not be very common, its clarity and precision make it suitable for various formal and technical contexts. Rephrasing options include "unless required for" or "save when essential for", depending on the nuance desired. Therefore, although there are zero examples in Ludwig, we can deduce that the phrase is effective and should be used with attention to who deems what is "necessary" and the context it is being used.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
unless required for
Replaces "where necessary" with "required", implying a formal need.
save when essential for
Substitutes "except" with "save" and "necessary" with "essential", emphasizing a critical need.
except if it's essential for
More colloquial, replaces "where necessary" with a more direct expression of essentiality.
excluding when vital for
Uses "excluding" instead of "except" and "vital" in place of "necessary", highlighting importance.
apart from when indispensable for
Replaces "except" with "apart from" and "necessary" with "indispensable", increasing formality.
with the exclusion of cases necessary for
A more formal and verbose rephrasing.
unless it is indispensable for
Directly states the condition of indispensability instead of implying it.
except in situations required for
Focuses on the situational aspect of the necessity.
except when compelled by the necessity for
Emphasizes the compelling nature of the need.
barring instances crucial for
Uses "barring" and "crucial" for a slightly different tone.
FAQs
How can I rephrase "except where necessary for" to sound more formal?
For a more formal tone, consider using phrases like "unless required for", "save when essential for", or "apart from when indispensable for". These alternatives /s/unless+required+for, /s/save+when+essential+for, and /s/apart+from+when+indispensable+for add a layer of formality depending on the specific context.
What's a simpler way to say "except where necessary for"?
You could use phrases like "unless needed for" or "except if essential for". These are more straightforward and suitable for informal contexts. Refer to /s/unless+needed+for or /s/except+if+essential+for to view examples.
Is it always necessary to include "for" after "except where necessary"?
The inclusion of "for" depends on the context. It is typically used when referring to the purpose or reason behind the necessity. If the sentence is already clear without it, "for" can be omitted without grammatical error. Consider "except where necessary" versus "except where necessary for security reasons".
Are there specific situations where "except where necessary for" is most appropriate?
This phrase is particularly useful in legal documents, guidelines, and technical manuals where clarity and precision are crucial. It helps define the scope of a rule or procedure by specifying the conditions under which it does not apply. Other alternatives could be /s/unless+deemed+essential or /s/save+when+critical.
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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
76%
Authority and reliability
4.1/5
Expert rating
Real-world application tested