came into effect on

USAGE SUMMARY

"came into effect on" is correct and usable in written English.
You can use it to describe when a law, policy, or directive became operational or legally binding. For example: The new traffic laws came into effect on August 22, 2020.

✓ Grammatically correct

News & Media

Science

Encyclopedias

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

In fact, the employment package that came into effect on 1 July 2008 was initially designed for one year.

IZA Journal of Labor Policy

Since the rule came into effect on July 28 in the city — home to the prestigious Cannes Film Festival — no one's been apprehended.

Vice

That came into effect on Monday night.

Independent

The legislation came into effect on 3 May.

Independent

Meanwhile, the G20 declared zone in central Brisbane came into effect on Saturday.

The Guardian

The mandate came into effect on Thursday, with a new clause outlining the shift in focus.

The Guardian

The new Lisbon treaty came into effect on 1 December 2009.

The Guardian - Opinion

But the new regulations, which came into effect on Jan . 1 could endanger this lucrative trade.

The New York Times

The government then prepared its own document, which came into effect on September 7 , 2013

Encyclopedia Britannica

The stamp duty increase came into effect on 1 April after being unveiled in November's autumn statement.

The Guardian - Business

The stamp duty surcharge was announced in November's autumn statement and came into effect on 1 April.

The Guardian - Business

Expert writing Tips

Best practice

When specifying the date something "came into effect on", ensure clarity by using a complete date format (e.g., "January 1, 2024") to avoid ambiguity, especially in international contexts.

Common error

Avoid using future tense with "came into effect". It's already in the past tense. Instead of "will come into effect", use "will take effect" or "will be implemented".

Linguistic Context

The phrase "came into effect on" functions as a temporal marker, indicating the specific date when a rule, law, agreement, or policy became operational or legally binding. It's a concise way to communicate the commencement date of something.

Expression frequency: Very common

Frequent in

News & Media

49%

Wiki

23%

Science

13%

Less common in

Encyclopedias

8%

Formal & Business

7%

Reference

0%

Ludwig's WRAP-UP

In summary, "came into effect on" is a grammatically sound and commonly used phrase to specify when a rule, law, or policy became operational. Ludwig AI confirms its correctness and broad applicability. It serves the purpose of clearly stating the starting date for understanding its implications, as evidenced by the numerous examples found across diverse sources. While suitable for various registers, it leans toward neutral to formal contexts, frequently appearing in news media and encyclopedic content. Remember to use a complete date to avoid confusion and be mindful of tense consistency.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

entered into force on

Legal and formal, indicating when a treaty or law became legally binding.

went into force on

Similar to "entered into force", commonly used in legal contexts.

became operative on

Focuses on the operational aspect, highlighting when something starts functioning, slightly more formal.

took effect on

Common synonym, less formal than "became operative", emphasizing the start of influence or power.

was implemented on

Highlights the action of putting something into practice on a specific date.

was enacted on

Focuses on the legislative aspect and the date of enactment.

commenced on

Emphasizes the beginning or start date, less common in legal contexts.

began on

Simple and direct, focusing on the start date, less formal.

was initiated on

Focuses on the start of a process or action on a specific date.

was launched on

Often used for projects or campaigns starting on a particular date.

FAQs

How to use "came into effect on" in a sentence?

Use "came into effect on" to indicate when a law, rule, or agreement became operational. For example, "The new policy came into effect on January 1, 2025."

What can I say instead of "came into effect on"?

You can use alternatives like "took effect on", "entered into force on", or "became operative on" depending on the context.

Is it correct to say "will come into effect on"?

No, it's better to say "will take effect on" or "will be implemented on". "Came" is past tense, so using "will come" is redundant. Consider alternative phrasing for future events.

What's the difference between "came into effect on" and "came into force on"?

While similar, "came into force on" is more often used in legal or formal contexts, especially when referring to laws or treaties. "Came into effect on" is a more general phrase.