"observing rules" is a correct and commonly used phrase in written English.
It typically refers to following or adhering to a set of guidelines, regulations, or principles. Example: The students were praised for diligently observing the rules of the science experiment, which resulted in accurate and reliable data.
That's not to say they don't observe rules.
Rabbinic exegesis observed rules, which were variously formulated in the schools.
It's here I'm told of Sweden's lesser known, sensibly observed rules, such as not letting your engine idle for more than a minute.
Soldiers and Marines are taught to observe rules of engagement, and throughout the video those in the helicopter call base for permission to shoot.
It is difficult for a phonologist to observe rules about the way sound works in syllables without a good phonetic definition of what they even are, but not impossible.
As can be observed, rules may differ if the beginning or end of a word is encountered.
Customers have to observe rules and policies and accept directions from employee [41]; without customers' responsible behavior, little value co-creation is realized [37].
A federation is a group of nations who have agreed to observe rules of peaceful conduct in their mutual relations (1795, 98ff).
But even that brief description is rife with issues ― including the fact that the Quran commands men, as well as women, to observe rules about modesty.
Puerperal infections remain a major cause of maternal mortality, partly due to poorly observed rules of cleanliness and an unhygienic delivery environment.
When a mass difference corresponding to a known PTM was observed, rules were applied that examine the sequence of the peptide of interest and make predictions as to which amino acid in the peptide was likely to carry the modification.
