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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
has been valid since
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "has been valid since" is correct and usable in written English.
You can use it to indicate the starting point of validity for a particular statement, rule, or condition. Example: "The new policy has been valid since January 1, 2022."
✓ Grammatically correct
News & Media
Encyclopedias
Wiki
Science
Alternative expressions(4)
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
Basically what this means is that the rules and regulations that have been valid since the year 2004 are no longer going to be enforced.
News & Media
Religious propaganda declared Cleopatra the New Isis or Aphrodite (mythic goddess of love and beauty) to his New Dionysus, and it is possible (but unlikely) that they contracted an Egyptian marriage; it would not have been valid in Roman law since Romans could not marry foreigners.
Encyclopedias
The first officer was 31 years old and held a C-certificate which limited him to being first officer on the Dash 7. The certificate was issued on 5 January 1987 and had been valid for the Dash 7 since 23 February 1988.
Wiki
Such concerns may have been valid 15 years ago.
News & Media
Every feeling you have is valid.
News & Media
What all three episodes have in common -- and the crux of Harmon's statement -- is that they feature gay stereotypes that haven't been valid since Queer As Folk.
News & Media
Bustamante's report, released last week, said the court order — known as a "writ" — that the LAPD used to remove Enriquez from a detention center had not been valid since 2012, when he was assisting prosecutors in a murder case.
News & Media
The approach seemed to work and the ketogenic diet has been a valid tool for treating epileptics ever since.
News & Media
Some of the sniping towards Chambers Bay has been perfectly valid.
News & Media
In fact, the license hadn't been valid since 1985.
News & Media
We used the DNRP since it is continuously updated and has been demonstrated to be complete and valid.
Science
Expert writing Tips
Best practice
When using "has been valid since", ensure the timeframe you specify is clear and unambiguous to avoid confusion about the period of validity. For example, instead of "has been valid since last year", specify the exact date.
Common error
Avoid using "for" instead of "since" when indicating the start date of validity. "Since" indicates the starting point, while "for" indicates a duration. Incorrect: "has been valid for 2010." Correct: "has been valid since 2010."
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has been valid since" functions as a temporal marker indicating the starting point of a condition or statement's validity. It asserts that something has been in effect or true from a specific time onward. Ludwig AI confirms its correct usage.
Frequent in
News & Media
35%
Science
25%
Encyclopedias
15%
Less common in
Wiki
10%
Formal & Business
10%
Academia
5%
Ludwig's WRAP-UP
In summary, "has been valid since" is a grammatically correct and commonly used phrase to indicate the starting point of something's validity. As noted, it's important to use "since" correctly to denote the beginning of the period, rather than using "for" to indicate duration. Ludwig AI confirms its consistent use across varied sources. The phrase appears frequently in News & Media and Science, and its neutral register makes it appropriate for a wide array of contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
has been in effect from
Replaces "valid" with "in effect", emphasizing the active enforcement or operation of something.
has been applicable from
Substitutes "valid" with "applicable", highlighting that something has been relevant or suitable from a specific time.
has been operative since
Uses "operative" instead of "valid", suggesting that something has been functioning or working since a particular point.
has been effective since
Replaces "valid" with "effective", emphasizing the successful or intended result of something from a given time.
has been in force since
Similar to "in effect", but "in force" may imply a more legal or regulatory context.
has remained valid since
Adds "remained" to stress the continuous validity from a past point to the present.
has held true since
Changes "valid" to "held true", indicating that something has consistently proven to be correct or accurate.
has stood the test of time since
Idiomatic phrase implying that something's validity has persisted through challenges and changes.
is still valid as of
Shifts the focus to the present, emphasizing current validity rather than the starting point.
was validated and continues to be
Expresses that something was validated at some point and it still is.
FAQs
How can I use "has been valid since" in a sentence?
Use "has been valid since" to indicate the starting point from which a rule, regulation, or statement has been in effect. For example, "The regulation has been valid since January 1, 2020."
What are some alternatives to "has been valid since"?
You can use alternatives like "has been in effect from", "has been applicable from", or "has been operative since" depending on the context.
Is it correct to say "has been valid for" instead of "has been valid since"?
No, it is not correct. "Since" indicates the starting point of validity, whereas "for" indicates the duration. Use "has been valid since [date]" and "has been valid for [duration]".
What is the difference between "has been valid since" and "is currently valid"?
"Has been valid since" indicates when the validity began, while "is currently valid" simply states that it is valid at the present time, without specifying a starting point. To emphasize the ongoing nature, you might say, "has remained valid since".
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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
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested