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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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took effect on

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "took effect on" is correct and usable in written English.
You can use it when referring to when an action or rule started being in effect. For example, "The new law took effect on April 1st."

✓ Grammatically correct

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The change took effect on Monday.

News & Media

The New York Times

That law took effect on Monday.

News & Media

The New York Times

It took effect on Jan . 1

News & Media

The New York Times

Mr. Seminerio's resignation took effect on Monday.

News & Media

The New York Times

The higher prices took effect on Wednesday.

The 12-month pilot program took effect on Monday.

News & Media

The New York Times

The new law took effect on March 30.

News & Media

The New York Times

They took effect on Mr. Babbitt's last day.

News & Media

The New York Times

The change in the law took effect on July 1.

News & Media

The New York Times

The legislators' last increase took effect on Jan . 1 2006.

News & Media

The New York Times

In the meantime, new rules took effect on 31 October.

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Expert writing Tips

Best practice

When using "took effect on", ensure the subject is a law, rule, policy, or agreement. This phrase specifies when something formally began to be applied or enforced. For instance, "The new regulation took effect on January 1, 2025."

Common error

Avoid using "took effect on" for actions or events that don't involve formal implementation. Instead of saying "The meeting took effect on Monday", use "The meeting started on Monday" or "The meeting was held on Monday".

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "took effect on" functions as a temporal marker, indicating the specific date when a law, rule, agreement, or policy became operational or enforceable. This is consistent with Ludwig AI's assessment of the phrase's correctness and usability.

Expression frequency: Very common

Frequent in

News & Media

50%

Academia

25%

Encyclopedias

8%

Less common in

Wiki

7%

Science

5%

Formal & Business

5%

Ludwig's WRAP-UP

The phrase "took effect on" is a grammatically sound and frequently used expression to denote when a rule, law, or policy officially began its implementation. As confirmed by Ludwig AI, its primary function is to specify the commencement date of a formal action. The usage is mostly common in News & Media and Academia sources, and while being a mostly formal expression, it can be used in neutral register as well. When using the phrase, ensure that the subject is something that can be formally implemented, such as a law or policy, and avoid using it for more general events. Alternatives include "came into force on", "became operative on", and "was implemented on". By keeping these points in mind, you can use the phrase "took effect on" accurately and effectively.

FAQs

How to use "took effect on" in a sentence?

Use "took effect on" to specify when a new law, rule, or policy officially began to be implemented. For example, "The new environmental regulations "came into force on" July 1st."

What can I say instead of "took effect on"?

You can use alternatives like ""came into force on"", "became operative on", or "was implemented on" depending on the context.

Which is correct, "took effect on" or "will take effect on"?

"Took effect on" refers to something that has already happened, while "will take effect on" refers to a future event. For example, "The law took effect on January 1st" (past) versus "The law will take effect on January 1st" (future).

What's the difference between "took effect on" and "started on"?

"Took effect on" is typically used for laws, rules, or policies, indicating when they became officially enforceable. "Started on" is more general and can be used for any event or activity that began on a specific date. For example, "The new policy "took effect on" Monday", but "The project "started on" Monday".

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Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: