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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
rules to be observed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "rules to be observed" is correct and usable in written English.
It can be used when outlining guidelines or regulations that need to be followed in a specific context. Example: "In our organization, there are several rules to be observed to ensure a safe and productive work environment."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
protocols to be respected
policies to be enforced
requirements to be met
guidelines to adhere to
steps to be called
measures to be taken
policies to be followed
steps to be followed
steps to be undertaken
procedures to be implemented
recommendations to be followed
steps to be applied
procedures to be followed
rules to be followed
rules to be obeyed
a course of action to pursue
actions to be performed
standards to be met
criteria to be met
standards to be followed
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
Once understood in the context of the narratives that give it meaning, law becomes not merely a system of rules to be observed, but a world in which we live.
News & Media
Students attending the first school year (baseline) had a lesser knowledge of body art related infectious diseases, were less likely to refer to a certified body art parlour, and to know the mandatory hygienic rules to be observed when performing body modifications.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
But it's not a strict rule to be observed in all cases.
News & Media
Good dancing was a necessity, and there were certain rules that had to be observed".
News & Media
In pubs like Mary's, Mr. Kirwan said, "there's almost a Talmudic sense of rules and conventions to be observed".
News & Media
"I am not a splendid dancer but at least I know the rules that have to be observed by others, and it needs two to tango.
News & Media
"Everyone needs to abide by the rules and regulations to be observed everywhere," he said, adding, "It is to be noted that the basic human rights would not protect those who violate an existing law".
News & Media
Avoidance of contraction and satisfaction of the first law of thermodynamics are the rules that need to be observed.
Yesterday, Howman referred to the I.A.A.F.'s jurisdiction, but he said that the rules of competition had to be observed.
News & Media
But "exceptionalism" – my term for the belief that rules or conventions are to be observed only when convenient – is not limited strictly to the wealthy or influential.
News & Media
There are rules that are supposed to be observed before a physician can snuff out a patient's life i.e., children must be at least 12; patients must request to die; a second doctor must independently verify the request.
News & Media
Expert writing Tips
Best practice
When drafting formal documents or guidelines, use "rules to be observed" to clearly indicate mandatory actions or behaviors. This phrase adds a layer of seriousness and necessity.
Common error
Avoid using "rules to be observed" in casual conversations or informal writing. Simpler phrases like "rules to follow" or "things to keep in mind" are more appropriate.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "rules to be observed" functions as a directive, typically introducing a set of regulations, guidelines, or principles that must be followed. It sets a formal tone, emphasizing the importance of compliance. Ludwig AI confirms the phrase's correctness and usability in written English.
Frequent in
News & Media
30%
Science
30%
Wiki
15%
Less common in
Formal & Business
10%
Encyclopedias
10%
Academia
5%
Ludwig's WRAP-UP
The phrase "rules to be observed" is a formal expression used to emphasize the necessity of following guidelines or regulations. As Ludwig AI highlights, it is grammatically correct and suitable for various contexts, particularly in news, scientific writing, and formal documentation. While effective in conveying a sense of obligation, it should be used judiciously, avoiding overuse in informal settings. Alternatives such as "guidelines to be followed" or "regulations to be complied with" can provide nuanced variations depending on the specific context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
guidelines to be followed
Focuses on the act of following instructions or suggestions, rather than strict mandates.
regulations to be complied with
Emphasizes the mandatory nature of regulations and the act of complying.
principles to be adhered to
Highlights the importance of sticking to core beliefs or standards.
standards to be maintained
Focuses on keeping things at a certain level or quality.
protocols to be respected
Emphasizes showing consideration and following established procedures.
directives to be obeyed
Stresses the authority of the instruction and the need for obedience.
policies to be enforced
Highlights the implementation and application of rules.
requirements to be met
Focuses on fulfilling specific conditions or criteria.
precepts to be heeded
Emphasizes the importance of paying attention to and acting upon advice or commands.
conventions to be respected
Refers to following established norms and customs.
FAQs
How can I use "rules to be observed" in a sentence?
Use "rules to be observed" to introduce guidelines or regulations that must be followed. For example, "In our organization, there are several "rules to be observed" to ensure a safe and productive work environment."
What are some alternatives to "rules to be observed"?
You can use alternatives like "guidelines to be followed", "regulations to be complied with", or "principles to be adhered to" depending on the context.
Is "rules to be observed" formal or informal?
"Rules to be observed" is generally considered a formal phrase, suitable for official documents, guidelines, and professional communications. More informal alternatives exist for casual contexts.
What is the difference between "rules to be observed" and "rules to follow"?
"Rules to be observed" carries a stronger sense of obligation and formality compared to "rules to follow". The former suggests strict adherence, while the latter is more general.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested