The phrase "authority statement" is correct and usable in written English.
It can be used in contexts where you are referring to a declaration or assertion made by someone in a position of power or expertise.
Example: "The authority statement issued by the government clarified the new regulations regarding public health."
Alternatives: "official declaration" or "authoritative assertion".
In a statement, News International said it welcomed the Scottish authorities' statement that "said that they believe there was 'no inappropriate access' to the medical records of Gordon Brown's son".
In another recorded phone conversation in July 2009, Hafiz Khan called for an attack on the Pakistani Assembly similar to the suicide bombing of the Marriott Hotel in Islamabad, Pakistan, on Sept. 20, 2008, according to the authorities' statement.
The authorities' statement supports an account given to the BBC by a young Iranian in Kuala Lumpur, who says he was a school friend of one of the men who boarded the airliner using stolen documents.
Asked about Malaysia authorities' statement that the plane's disappearance had been categorized as a criminal investigation, Houston said that decision was "not relevant" to the work of the searchers at this time.
"Turkish authorities' statements of an alleged violations of Turkish airspace by a Russian Su-34 jet are naked propaganda.
BPM also responded to media coverage of the shooting, which has reported on authorities' statements regarding the possible involvement of drug trafficking, cartels, extortion, and a possible execution.
"In general, they show people performing their duties very heroically and very professionally on a day of horror," the authority's statement said.
The first Q train will leave the station at 57th Street and Seventh Avenue, heading uptown to the new stations, at noon on Jan . 1 the authority's statement said.
"We are cooperating fully with the investigating authorities," the statement said.
"Inevitably, there have been accusations of 'bad registrations,' isolated instances that have been thoroughly investigated not only internally but by the appropriate legal authorities," the statement said.
