is obligatory when

USAGE SUMMARY

The phrase "is obligatory when" is correct and usable in written English.
It can be used to indicate that something is required or mandatory under certain conditions or circumstances. Example: "The use of safety equipment is obligatory when working in hazardous environments."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

It is obligatory, when researchers construct their samples, to specify a racial group to which a donor belongs, for example: African American, Native American, Mexican American, Asian, Caucasian or Hispanic, even though, as Fullwiley observes, these classifications are necessarily ambiguous.

BioSocieties

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

A veteran conference-goer calls it an "open-necked" year, whereas ties were obligatory when the thrusters were out to impress Blair and Brown.

The Guardian

In other circumstances capacity assessments are recommended as routine, such as consent to admission for all informal psychiatric inpatients (although it should be noted that capacity and best interests assessments are obligatory when deprivation of liberty is in question).

BMC Psychiatry

Some study participants responded that restrictions are obligatory when the animal takes remedy for blackleg lest some factors always slow physiological reaction and affect the curative power of remedies.

BMC Veterinary Research

It is obligatory that when anyone says 'oligomer' that all others know precisely to what the speaker is referring.

Alzheimer's Research and Therapy

Furthermore, when CT findings are equivocal, PET/CT is needed to further characterise lesions and when CT detects malignant lesions, PET/CT is obligatory to search for additional metastases when curative surgery of the malignant lesions is considered.

European Journal of Nuclear Medicine and Molecular Imaging

Axiom (D) guarantees the consistency of the system of obligations by insisting that when A is obligatory, A is permissible.

SEP

When voting is obligatory, victorious candidates clearly represent a majority of the population, not just the politically motivated individuals who would vote without compulsion.

Huffington Post

The moral licensing was so strong, in other words, that it more or less outweighed the original act of virtue.Moral licensing does not seem to occur when virtuous conduct is obligatory.

The Economist

78 When only pH is recorded, discontinuation of PPI treatment is obligatory.

Gut

When it comes to wrapping up on a cold winter's day, a cosy hat is obligatory.

The Guardian

Expert writing Tips

Best practice

Use "is obligatory when" to clearly state a requirement that depends on a specific condition. This phrase is particularly useful in formal and technical writing where precision is important.

Common error

Avoid using "is obligatory when" in casual conversation or informal writing. Simpler phrases like "is needed when" or "is a must when" are often more appropriate.

Linguistic Context

The phrase "is obligatory when" functions as a conditional statement, indicating that an action or condition is required or mandatory under certain circumstances. Ludwig examples show its usage in academic and news contexts.

Expression frequency: Common

Frequent in

Science

42%

News & Media

40%

Formal & Business

18%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "is obligatory when" is used to express that something is required under certain conditions. Ludwig AI confirms its grammatical correctness and usability in written English. It is common in formal, scientific, and news contexts. While "is obligatory when" is appropriate for formal and technical writing, simpler alternatives such as "is required when" or "is necessary when" may be more suitable for informal contexts. Remember to consider the context and audience when choosing the most appropriate phrasing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

is required when

Replaces "obligatory" with "required", emphasizing a formal necessity.

is mandatory when

Substitutes "obligatory" with "mandatory", indicating a stricter, often legally binding requirement.

is a must when

Replaces "obligatory" with "a must", indicating high importance or necessity.

is essential when

Emphasizes the importance of something under specific circumstances.

is necessary when

Highlights the need for something in particular situations.

becomes compulsory when

Changes "obligatory" to "compulsory", suggesting a demand that something must be done.

is imperative when

Replaces "obligatory" with "imperative", stressing the critical nature of the condition.

is crucial when

Highlights the critical importance of something under certain circumstances.

is binding when

Suggests a formal or legal obligation that takes effect under particular conditions.

is requisite when

Replaces "obligatory" with "requisite", indicating something is needed or essential for a specific purpose or situation.

FAQs

How can I use "is obligatory when" in a sentence?

Use "is obligatory when" to indicate a requirement that depends on a specific condition. For example, "Discontinuation of PPI treatment "is obligatory" when only pH is recorded".

What are some alternatives to "is obligatory when"?

You can use alternatives such as "is required when", "is necessary when", or "is a must when" depending on the context.

Is there a difference between "is obligatory when" and "is required when"?

While both phrases convey a sense of necessity, "is obligatory when" often implies a stronger, more formal requirement than "is required when". The choice depends on the specific context and desired level of formality.

In what contexts is "is obligatory when" most appropriate?

"Is obligatory when" is particularly suitable for formal writing, technical documentation, and legal contexts where precision and clarity are essential.