This phrase is correct and usable in written English.
It is typically used to describe the main or most important duty or obligation that someone has in a particular situation. Example: As a manager, Sarah's primary responsibility in the company is to ensure the smooth functioning of the team and achieve its targets.
"It's the courts who have the primary responsibility in this case," Tagliabue said.
A spokesman for the AFP said: "The AFP's primary responsibility in this matter was to identify alleged criminality regarding the unauthorised disclosure of Commonwealth information".
My wife sees it as her primary responsibility in life to find a suitable match for our daughter, especially when it comes to choosing television programming.
Lazard "failed to discharge fully its responsibilities," the panel said, but added that "the primary responsibility in respect of the Somerdale statements lay with Kraft".
In the American system, state and local officials, who have the primary responsibility in this area, have overwhelmingly failed to put in place the sort of system needed to bring eligible voters into the electorate.
Ms. Hinton's primary responsibility in the Amazon case is public relations for the plaintiffs, and she said it would be wrong to characterize her as a lobbyist in her contacts with Mr. Cuomo and the attorney general's office.
For a central bank to neglect its primary responsibilities in an effort to circumvent those limits is the height of folly and hubris.
They argued the court had misread the state law and had overturned "15 years of real estate industry practice that had been endorsed by two government agencies with primary responsibilities in this area".
While the world must do its part to confront tyranny, the primary responsibility rests in the hands of the people of Pakistan.
But this is what happens when stupid objectives are set and managers are either pressured into meeting them come what may or follow them without paying heed to their primary responsibility, which in the case of a tube station is to convey passengers as swiftly and as safely as possible to and from the trains.
He added that the company's global footprint, which was his primary responsibility, is "in a very good place".
