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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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are valid from

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "are valid from" is correct and usable in written English.
It is typically used to indicate the starting point of validity for a particular item, such as a date or a condition. Example: "These coupons are valid from January 1st to December 31st."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

13 human-written examples

All the files are valid from 01 January of the year in the filename to 01 January of the following year.

The research found that principles of multimedia learning are valid from the students' perspective however the instructors did not uphold all the principles.

So your suggested songs might express rebelliousness or talk about rebels (both are valid), from Cash himself, or maybe Rage Against the Machine refusing to be told not to swear on the BBC.

There is one prize of a pair of tickets to see the Summer Exhibition 2016 at the Royal Academy plus afternoon tea for two in the Keeper's House: The exhibition tickets are valid from 13 June to 21 August 2016.

News & Media

The Guardian

Where Westchester differs from other counties in the state is in the presumption, written into the contract, that an officer's claims are valid from the day an injury report is filed.

News & Media

The New York Times

It is very unlikely that all or even a large portion of the state election laws would fail to pass muster under our cases; and the rule fashioned by the Court to pass on constitutional challenges to specific provisions of election laws provides no litmus-paper test for separating those restrictions that are valid from those that are invidious under the Equal Protection Clause.

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Human-verified similar examples from authoritative sources

Similar Expressions

47 human-written examples

The offer is valid from Nov. 1 to March 31.

-Prize is valid from 6 months from date of draw.

News & Media

Independent

American Airlines' promotion is valid from Jan . 6until Feb. 15 for outbound travel Sunday through Wednesday, returning on Tuesday through Friday.

Travel is valid from Monday to Thursday and must originate by March 31; tickets must be purchased by Saturday.

In principle, the kinetic description is valid from the dilute (non-collisional) to the dense limit.

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Expert writing Tips

Best practice

When specifying a validity period, clearly state both the start and end dates to avoid ambiguity. For example, "The promotion is valid from January 1, 2025, to March 31, 2025."

Common error

Avoid stating only the start date of validity without specifying the end date, as this can lead to confusion about how long something remains valid. Always include a clear expiration date.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "are valid from" functions as a prepositional phrase that specifies the starting point of validity. According to Ludwig, the phrase is correct and usable in written English, indicating a clear grammatical function.

Expression frequency: Uncommon

Frequent in

Science

30%

News & Media

40%

Academia

30%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "are valid from" serves to pinpoint the beginning of a period of validity. Ludwig AI identifies it as grammatically sound and appropriate for various writing contexts, including science, news, and academia. While "are valid from" is a clear and direct expression, alternatives like "are effective as of" or "become valid on" offer stylistic variations. When using "are valid from", remember to specify both start and end dates to prevent ambiguity. Overall, the phrase effectively communicates when a particular rule, offer, or condition is in effect.

FAQs

How do I use "are valid from" in a sentence?

The phrase "are valid from" indicates the starting point from which something is considered valid or applicable. For example, "These tickets "are valid from" June 1st to August 31st."

What's a more formal alternative to "are valid from"?

For a more formal tone, consider using phrases like "are effective as of" or "are operative from" to indicate when something becomes valid or applicable.

Is it necessary to specify an end date when using "are valid from"?

While not always mandatory, specifying an end date alongside "are valid from" enhances clarity and prevents potential misunderstandings about the duration of validity. Without an end date, it might be assumed that the validity is indefinite.

What can I use instead of "are valid from" when describing a promotion?

When describing a promotion, you could use phrases like "are good from", "are applicable starting", or simply, "begin on" depending on the level of formality you want to convey.

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Real-world application tested

Most frequent sentences: