The phrase "authorities deemed that" is correct and usable in written English.
It can be used when discussing decisions or judgments made by official bodies or organizations regarding a particular issue or situation.
Example: "The authorities deemed that the new regulations were necessary to ensure public safety."
Alternatives: "authorities determined that" or "officials concluded that".
However, a fourth Golden Dawn lawmaker, Yiannis Lagos, was remanded to custody after the judicial authorities deemed that evidence linking him to criminal activities — including murder, attempted murder and blackmail — was strong.
The man, John Brek, spent 29 days in jail, which was counted as time served on a lesser charge after the local authorities deemed that he was not a threat.
On Wednesday, the company said it agreed to no longer use an advertisement that had run in Britain after a standards authority deemed that the sexual nature of the ad had the potential to offend people.
What higher authority had deemed that never in my adult life would I have more than a foot of closet space?
Dr. Lichtenstein deemed that unlikely.
One reader, "Eric," deemed that comment "ridiculous".
PolitiFact deemed that claim "False".
His mother's hoarding was so far gone that authorities deemed her home near New Orleans unfit for her pet dogs after Child Protective Services removed him when he was 13.
The bill would limit cash withdrawals, prohibit or restrict check cashing and bar "premature" account closings and any other transaction that authorities deemed unwarranted.
It was once forced to shut down a popular joke-sharing app, Neihan Duanzi, with 20 million active users, as part of a crackdown on content that authorities deemed to be unsavory.
Since Jefferson, inaugural planners say, nearly every inauguration has featured a parade, although in 1985 President Ronald Reagan canceled the parade – and moved his swearing-in ceremony indoors – because of freezing temperatures that the authorities deemed dangerous to the public.
