on and after vs on or after

Both "on and after" and "on or after" are correct, but they are used in different contexts. "On and after" is used when referring to a specific date or time range, while "on or after" is used when indicating a starting point or deadline.

Last updated: April 01, 2024 • 8183 views

on and after

This phrase is correct and commonly used when referring to a specific date or time range.

This phrase is used to indicate that something will happen starting from a particular date or time and continuing into the future.

Examples:

The new policy will be effective on and after January 1st.
The discount is valid on and after the opening day of the store.
The exhibition will run on and after the 15th of this month.

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The service will be discontinued on and after 31 December 2014.
Due date Depending on and after implementation of vaccine when first pandemic will take place.
Depending on and after implementation of vaccine when first pandemic will take place.
Depending on and after implementation of vaccine when first pandemic will take place.
Offers at fixed price received by the intervention agencies of the Member States on and after 25 May 2016 until 30 September 2016 shall be rejected.
Depending on and after implementation of vaccine when first pandemic will take place.
Pop the cameras on and after, I was going to say half an hour, but probably ten seconds, he's got enough for a supercharged Jag.
Offers received by the competent authorities of the Member States on and after 5 March 2009 until 31 August 2009 shall be rejected.
The amounts adjusted in accordance with paragraph 1 shall be applied when reimbursing expenditure related to those parts of the operations which are carried out on and after the date of adjustment.
on and after the 1st day of January, 2002, a broadcaster who provides near universal coverage of a designated event.
In the case of income exemption on and after 1 January 2011, application of the exempt 1929 holding companies scheme will therefore be unlawful and may give rise to recovery of any advantage granted.
However, where an export operation has started before 1 January 2011 under cover of an administrative accompanying document in accordance with Article 793c(1), the customs office of exit shall apply the measures laid down in Article 793c on and after that date.
(d) any specific provisions needed to facilitate the switch from the import arrangements applying on and after 1 July 1993 to the present arrangements of this Title;
Bouygues Telecom maintains that the declarations made by the French Government on and after 12 July 2002 are administrative acts binding on the State which are of such a character as to render the State answerable before the administrative courts.
Depending on and after implementation of vaccine when first pandemic will take place.
In order for businesses to be able to deal in euro on that date, they must change currency, including coinage, at least a few days before, so that they will have euro available on and after 1 January, as they are obliged to.

Alternatives:

from and after
starting on
effective from

on or after

This phrase is correct and commonly used when indicating a starting point or deadline.

This phrase is used to indicate that something will happen starting from a particular date or time, with the possibility of it happening later as well.