Required by

USAGE SUMMARY

The phrase "Required by" is correct and usable in written English.
It can be used to indicate something that is necessary or mandated by a certain authority or standard. Example: "All submissions must be completed by the deadline as required by the university's policy."

✓ Grammatically correct

Academia

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Required by libpng.

Stanford University

Booking required by 5pm.

The Guardian - Travel

They are required by justice.

The New Yorker

Whistle-blowing is required by law.

The New Yorker

Reservations are required by Monday.

The New York Times

Registration is required by Wednesday.

The New York Times

Reservations are required, by calling.

The New York Times

As required by Art.

Cornell University

Registration required by November 30.

Harvard University

RSVP required by 5/23.

Stanford University

Such disclosures are required by the Campaign Finance Board.

The New York Times

Expert writing Tips

Best practice

When using "required by", clearly state the authority or standard that necessitates the action or condition. This adds clarity and credibility to your statement.

Common error

Avoid using "required by" without specifying what or who is making the requirement. For example, instead of saying "Action is required by", specify "Action is required by the company's policy" for better clarity.

Linguistic Context

The phrase "required by" functions as a prepositional phrase that often modifies a verb or noun, indicating a condition or obligation imposed by an external authority or standard. Ludwig examples show this phrase used in diverse contexts, from legal requirements to event registration deadlines, showing its adaptability.

Expression frequency: Very common

Frequent in

Academia

38%

News & Media

58%

Encyclopedias

4%

Less common in

Formal & Business

0%

Science

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "required by" is a versatile prepositional phrase used to indicate that something is mandated or necessitated by a rule, law, standard, or authority. As confirmed by Ludwig AI, the phrase is grammatically correct and widely used in both academic and news contexts. The frequency of its use highlights its importance in conveying obligations and clarifying expectations. When using "required by", it is important to specify the authority or standard imposing the requirement to ensure clarity and avoid vagueness. Understanding the nuances of this phrase, along with its alternatives like "mandated by" or "stipulated by", can enhance the precision and impact of your writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

Mandated by

Indicates a formal order or command; carries a stronger sense of authority.

Stipulated by

Suggests a specific condition or term within an agreement or contract.

Necessitated by

Implies that something is made essential due to circumstances or conditions.

Dictated by

Highlights that something is determined or controlled by a particular factor or authority.

Demanded by

Emphasizes a strong need or expectation, often from a specific entity.

Prescribed by

Indicates a formal recommendation or instruction, often in medical or legal contexts.

Compelled by

Suggests that something is forced or obliged due to external pressure.

Called for by

Highlights a need or request that is publicly expressed.

Ordered by

Indicates that an instruction was issued by a person in a position of authority.

Obligated by

Expresses a legal or moral duty to do something.

FAQs

How can I use "required by" in a sentence?

Use "required by" to indicate that something is necessary due to a rule, law, or other form of obligation. For example, "All submissions must be completed by the deadline as "required by" the university's policy".

What are some alternatives to "required by"?

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

Is it correct to say "it is required by law"?

Yes, "it is "required by" law" is a grammatically correct and common phrase. It indicates that something is legally mandatory.

What's the difference between "required by" and "necessary for"?

"Required by" implies a mandate or obligation, whereas "necessary for" indicates a need or essential condition. For example, a permit is "required by" the city, while experience is "necessary for" success.