It is misfeasance, malfeasance or nonfeasance in the conduct of the office.
From the en.wikipedia.org
Not displaying it to the pilots is prima facia evidence of misfeasance.
From the economist.com
Either way there appears to be a prima-facie case of misfeasance by one of the aforementioned persons.
From the bucksfreepress.co.uk
Hardly a day goes by without Page One stories about business malfeasance and financial misfeasance.
From the washingtontimes.com
Maybe the cheeky proposition that the answer to Republican misfeasance is more Republicans will sell.
From the dispatchpolitics.com
A special tort that applies only against public authorities is the tort of misfeasance in public office.
From the en.wikipedia.org
It is tantamount to a rogue industry's confession of decades of malfeasance, misfeasance and nonfeasance.
From the time.com
In this case, the offence of misfeasance in public office or malfeasance in public office may be considered instead.
From the en.wikipedia.org
But the auditors omit a key piece of information when they issue their regular reports detailing misfeasance and malfeasance by state employees.
From the sacbee.com
More examples
Doing a proper act in a wrongful or injurious manner
The expressions misfeasance and nonfeasance, and occasionally malfeasance, are used in English law with reference to the discharge of public obligations existing by common law, custom or statute.
A wrong that arises from an action. The wrong can be actual or alleged. This word is often used in law, relating to the wrongful use of legal authority
Improper performance of an act that may have been lawfully done. (Compare malfeasance, nonfeasance.)
Breach of duty in relation to the funds or property of a company by its directors or managers.
Failure to act in a proper manner to prevent harm.
The failure to properly perform a duty.
A term used in TORT LAW to describe an act that is legal but performed improperly.