The phrase "a group of authorities" is correct and usable in written English.
It can be used to refer to a collective of individuals or organizations that hold power or expertise in a specific area.
Example: "The conference was attended by a group of authorities in the field of environmental science, who shared their insights on climate change."
Alternatives: "a panel of experts" or "a committee of officials".
Read more of Andrew Ross Sorkin's essay… T asked a group of authorities on subjects ranging from music to design to literature to profile some of the most game-changing men and women in their 20s.
Council leader Martin Curtis, said: "We, as a group of authorities and local enterprise partnerships, have written to the government to say that we are willing to contribute £100m towards the A14 major improvement scheme.
Now, you may experience the voice or voices as someone you know, or demons, or a crowd, or a group of authorities, or some other group of voices.
A group of authority officials, including Mr. Sander, went to Washington to release the report at an unusual out-of-town news conference.
Another set of transmissions are from George Tabeek, a Port Authority official who ran up 22 flights of stairs with firefighters to free a group of authority security workers locked in a secret command bunker.
A combined authority is created voluntarily and gives a group of local authorities extra powers from government to set transport, economic development and regeneration policy.
On April 27 , 2015 the Pepperdine Law Review convened a group of distinguished authorities from international practice and academia to discuss these and other related issues for a symposium on International Arbitration and the Courts.
He told a story about a time, a few years back, when he addressed a group of Chinese authorities whose approval he needed in order to continue working in China.
Avoiding duplication of efforts with the West of England local enterprise partnership – a group of local authorities and business leaders promoting economic growth – will be a key challenge for both Plymouth and Bristol.
Even the opponents of Terminal 5, a group of local authorities using delay as a weapon, found the costs of the inquiry so burdensome that they were forced to withdraw their legal representatives before it was completed.Looking abroad for lessons on how better to reconcile national and local interests does not help much.
Richmond was one of a group of local authorities, including Islington, to unsuccessfully challenge the new rules in court.
