is required by

USAGE SUMMARY

The phrase "is required by" is grammatically correct and can be used in written English.
It is commonly used to indicate something that is necessary or mandatory according to rules or regulations. Here are some examples: - A valid form of identification is required by the airline before boarding the flight. - Safety gear, such as a hard hat and gloves, is required by the construction site. - Following company policy, a background check is required by all potential employees. - A doctor's note is required by the school for students who are absent due to illness. - A minimum of six hours of sleep is required by most adults for optimal functioning.

✓ Grammatically correct

News & Media

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

Whistle-blowing is required by law.

The New Yorker

Registration is required by Wednesday.

The New York Times

The move is required by law.

The New York Times

Pre-registration is required by Wednesday.

The New York Times

Purchase is required by Aug. 31.

The New York Times

Such screening is required by the F.D.A.

The New York Times

A request is required by federal law.

The New York Times

A visa is required by India.

The New York Times - Travel

This is required by Newton's third law.

Britannica

First, what is "required by law"?

The Washington Post

Everyone is required by law to respond.

The Washington Post

Expert writing Tips

Best practice

When using "is required by", ensure clarity by specifying the authority or source that mandates the requirement. For example: "This report is required by federal law".

Common error

Avoid using "is required by" without stating who or what mandates the requirement. For instance, instead of saying "Registration is required by", specify "Registration is required by the university" for clarity.

Linguistic Context

The phrase "is required by" functions as a passive construction, indicating that a subject is obligated or necessitated by an external agent or authority. Ludwig AI confirms its correctness and common usage.

Expression frequency: Very common

Frequent in

News & Media

37%

Academia

27%

Science

23%

Less common in

Encyclopedias

2%

Wiki

5%

Formal & Business

6%

Ludwig's WRAP-UP

In summary, the phrase "is required by" is a grammatically sound and frequently employed passive construction used to express obligation or necessity. Ludwig AI confirms this, providing numerous examples across diverse contexts. Predominantly found in News & Media, Academia, and Scientific domains, its usage suggests a generally neutral to formal register. To ensure clarity, it's essential to specify who or what mandates the requirement. Related alternatives include "is mandated by", "is dictated by", and "is necessitated by", each offering subtle variations in meaning. When writing, focus on precision and context to make the most suitable choice.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

is mandated by

Emphasizes a formal command or legal obligation.

is dictated by

Suggests a rule or principle that strongly influences or determines an outcome.

is necessitated by

Highlights the circumstances that make something essential or unavoidable.

is stipulated by

Implies a specific condition or requirement stated in an agreement or contract.

is called for by

Indicates that something is appropriate or necessary in a given situation.

is demanded by

Stresses the urgency or insistence of a requirement.

is a prerequisite for

Focuses on something that must be fulfilled before something else can happen.

is essential to

Highlights the critical importance of something for a particular purpose.

is contingent upon

Indicates that something depends on certain conditions being met.

is governed by

Suggests that something is controlled or regulated by a set of rules or principles.

FAQs

How to use "is required by" in a sentence?

Use "is required by" to indicate something necessary or mandatory according to a specific rule, law, or regulation. For example, "A permit is required by the city for construction projects".

What can I say instead of "is required by"?

You can use alternatives like "is mandated by", "is dictated by", or "is necessitated by" depending on the context.

Which is correct, "is required by" or "is requested by"?

"Is required by" implies a mandatory condition, while "is requested by" indicates a polite or optional suggestion. Choose the phrase based on whether the action is mandatory or optional.

What's the difference between "is required by" and "is needed by"?

"Is required by" suggests a rule, law, or formal standard necessitates something. "Is needed by" indicates a necessity to achieve a particular goal or fulfill a specific need.