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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
as and when due
Grammar usage guide and real-world examplesUSAGE SUMMARY
"as and when due" is correct and usable in written English.
You can use it when you are referring to an unspecified time in the future which is based on when something is due. For example: "Payments for the project will be made as and when due."
✓ Grammatically correct
Formal & Business
News & Media
Science
Encyclopedias
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
Their Swiss accounts had a value up to £2m. Lee says all his tax affairs have been correctly declared and reported: "I have paid all tax as and when due".
News & Media
If the facility is unable to make any payment of principal or interest on any security for which a guarantee has been provided by the Corporation under paragraph (1), the Corporation shall make such payment as and when due in cash, and on such payment shall be subrogated fully to the rights satisfied by such payment.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
When enteric fever is caused by Salmonella enterica serovar Typhi, it is known as typhoid fever and when due to S. enterica serovar Paratyphi A, B, or C, it is called paratyphoid fever.
Science
Hemiarthroplasty surgery performed as a secondary procedure after failed internal fixation was associated with a more than doubled risk of reoperation regardless of reason, as well as when due to dislocation and infection.
Science
b This is the best scheme for scheduling N users with no CSIT at the BSs [56] as well as when, due to scheduling delay and complexity, the users are selected for transmission based upon queue lengths instead of on channel conditions.
Adeyeri and Kareem (2012) had once formulated models as assistance for carrying out comprehensive maintenance activities plan as at when due and at the point when machines are under stress to meeting up with customers' demand under competitive environment.
And you know in your heart that you must perform all the different duties as at when due without leaving out any, else there would be consequences.
News & Media
This is to ensure that you have the capacity to pay the rent as at when due.However, if you are unable to meet the requirements, you will require a co-signer (a guarantor) to sign the lease.
News & Media
To provide high-intensity incident radiation and to enable the observation of lines where νi is small (as when due to rotational changes), the source in a Raman spectrometer is a monochromatic visible laser.
Encyclopedias
The first and most pressing is that the rugby club is only considered a going concern because Walkinshaw has guaranteed to meet "its liabilities as and when they fall due for payment for a period of not less than 12 months from the approval of the financial statements".
News & Media
With the development of the laws surrounding commercial enterprises, a body of rules developed relating to bankruptcy: when a person or company is insolvent (i.e., unable to pay debts as and when they fall due), either he or his creditors may petition the court to take over the administration of his estate and its distribution among creditors.
Encyclopedias
Expert writing Tips
Best practice
Use "as and when due" in formal writing, particularly when outlining payment schedules or legal obligations where timing is contingent on specific events or milestones.
Common error
Avoid using "as and when due" in everyday conversation or informal writing. Opt for simpler alternatives like "when needed" or "at the right time" to maintain a natural tone.
Source & Trust
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as and when due" functions as an adverbial phrase, modifying a verb or clause to specify the timing of an action or event. Ludwig shows it's typically used to indicate that something will happen at the appropriate or required time.
Frequent in
News & Media
30%
Formal & Business
35%
Science
25%
Less common in
Encyclopedias
10%
Wiki
0%
Academia
0%
Ludwig's WRAP-UP
In summary, "as and when due" is a formal phrase used to denote that actions or payments will occur at the appropriate or scheduled time. Ludwig AI confirms its correctness and suitability in written English, particularly in business, legal, and financial contexts. While not a common phrase, its precise meaning makes it valuable when outlining obligations tied to specific milestones. When used, remember that simpler alternatives exist for more informal settings, ensuring clear and effective communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
as required
Directly states that actions will be taken based on the presence of a need or mandate.
at the appropriate time
Focuses on the timeliness of an action or event, similar to "as and when due" but less formal.
when it becomes necessary
Similar to "when necessary", this option emphasizes the conditional timing of an action.
when necessary
Highlights the conditional aspect of fulfilling a requirement only when it becomes essential.
in a timely manner
Highlights the efficiency and promptness with which something is handled or completed.
in due course
Emphasizes that something will happen at a suitable point in the future, maintaining a sense of order or sequence.
upon maturity
Commonly used in financial or legal contexts, indicating when an obligation or investment becomes due.
on schedule
Indicates that something is progressing or will be completed according to a predetermined timetable.
when the time is right
Suggests that actions are contingent on the occurrence of a favorable moment or set of circumstances.
at the designated time
Implies a specific, predetermined moment for something to occur, lacking the conditional aspect of the original phrase.
FAQs
How can I use "as and when due" in a sentence?
You can use "as and when due" to indicate that payments or actions will be made or performed at the time they are required or scheduled. For instance, "Payments for the project will be released "as and when due"".
What are some alternatives to "as and when due"?
Alternatives to "as and when due" include phrases like "at the appropriate time", "when necessary", or "in due course", depending on the specific context.
Is "as and when due" appropriate for informal communication?
No, "as and when due" is generally more suited for formal or business communication. In informal settings, simpler phrases like "when needed" or "at the right time" are more appropriate.
What does "as and when due" emphasize in legal or financial contexts?
In legal or financial contexts, "as and when due" emphasizes the precise timing of obligations or payments, indicating that they are contingent on specific events or milestones rather than a fixed schedule. It's similar to saying payments are expected "upon maturity".
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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
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested