The phrase "action was improper" is correct and usable in written English.
It can be used in contexts where you are discussing the appropriateness or legality of a specific action taken by an individual or organization.
Example: "The committee concluded that the action was improper and recommended further investigation into the matter."
Alternatives: "the action was inappropriate" or "the action was not acceptable".
"Our action was improper, and their response" — angry shouts from Mr. Maliki and others — "was unacceptable.
On motion for summary judgment, therefore, the respondents' allegations, in my view, were sufficient, and the District Court's dismissal of the action was improper to the extent that the dismissal rested on the proposition that suit could not be maintained under § 10(b) and Rule 10b-5 for mere negligence.
Several prominent lawmakers have said that the Treasury Department's action was improper, and a significant change in policy, because it circumvented the basic legislative process behind the nation's tax laws and involved no discussion in Congress, which writes the Internal Revenue Code.
"We are disputing whether Mr. Schmid's actions were improper".
Instead, Defendant had to ask Commission Junction to identify the affiliate and communicate to him that his actions were improper.
Soliciting contributions and explicitly linking campaign donations to official actions is improper and, in some cases, illegal.
Among those suited up for battle: the president's attorneys, who are readying to write a rebuttal disputing any conclusions that the president's actions were improper or illegal.
"The Chinese government's claims that our actions are improper and protectionist, and that its illegal subsidies and massive dumping of solar product are helping the global economy and the environment, are absurd," said Gordon Brinser, the chief executive of SolarWorld Industries America, the lead company in the coalition.
He explained that he was worried about the document circulating in the Fox e-mail system, but the report said this instead "demonstrated to us that Burke was aware his actions were improper, particularly in light of Burke's recent experience in improperly disclosing" the other document to The Times.
The Italian, who bought the O's in summer 2014, had accepted his actions were improper but strongly denied it was violent conduct.
Another lawyer interviewed by ZDNet, however, did not think that SingNet's actions were improper, and a spokesman for the Infocomm Development Authority announced that SingNet was found to be in compliance with the code.
