The phrase "a violation of standard" is correct and usable in written English.
It can be used in contexts where rules, guidelines, or norms are not being followed.
Example: "The report was rejected due to a violation of standard procedures in data collection."
Alternatives: "a breach of protocol" or "an infringement of guidelines."
This is a violation of standard Army rules on the role of the military police.
In a few cases, doctors wrote out prescriptions for medication on the spot -- a violation of standard medical practice that had Mr. Corrigan shaking his head.
The board, which included police officials from several other California jurisdictions, said the two patrolmen erred in both approaching Mr. Mixon's car on the driver's side, a violation of standard "contact and cover" protocols.
This was, apparently, a violation of standard protocol: Managers should "know better than to provide a lot of color," my client says.
Others complained of being served rotten or inadequate food, a violation of standards that has been repeatedly documented in inspection reports.
The determination of whether a deviation constitutes a violation of the standard is up to the discretion of the entity responsible for enforcement of the standards.
To Mr. Bookman, of the restaurant association, "That is a violation of any standard of due process".
"We're looking into the matter to see if we can substantiate if there was a violation of the standard of care," a board spokeswoman said.
Without identifying the doctor, the Medical Board of California said last week that it was looking into the Suleman case to see if there was a "violation of the standard of care".
The agency released a statement saying that use of fraudulent fuel credits "undermines Congress's goals in creating the program, creates market uncertainty and is a violation of the standard".
