"improper use of authority" is a correct phrase that can be used in written English.
For example, you could use it in a sentence such as "The manager was accused of improper use of authority when he refused to allow the employees to take a break."
In a book published in 2009, Abuse of Power, he detailed Sarkozy's many improper uses of authority since his election in 2007, and in no uncertain terms.
The men, both 34 and from the Bronx, have been charged with participating in a cocaine-distribution conspiracy and with conspiring to commit extortion in connection with Officer Acosta's improper use of his authority, a statement from the office said.
The Cleveland settlement is one of about two dozen such deals between the justice department and local law enforcement since the 1994 Violent Crime Control and Law Enforcement Act gave Washington the authority to investigate improper use of force by police, unlawful stops and searches, and biased policing.
Many participants were concerned about the improper use of information technology in PHCCs and limited efforts by health authorities to incorporate this important field in the primary care system.
The Times also reported that the improper use of drugs was rampant at the state's racetracks, as state racing authorities now acknowledge.
In regards to the alleged improper use of force, the Police Commissioner directed the internal affairs bureau to investigate".
The basis for this threat was section 29 of the information and communication act, which prohibits the "improper use of a licensed communications system" and which activists say has increasingly been used by the Kenyan authorities to prohibit the publication and circulation of online information.
Prosecutors in Milan began investigating Mr. Mills after a tip-off from the authorities in London, where Mr. Mills's accountant had come forward with concerns about potential improper use of funds.
Prosecutors in Milan began investigating Mr. Mills in 2004 after a tip from authorities in London, where Mr. Mills's tax accountant had come forward with concerns about potential improper use of money.
