The phrase "authorities adopted" is correct and usable in written English.
It can be used when discussing decisions or policies that have been officially accepted or implemented by governing bodies or organizations.
Example: "The authorities adopted new regulations to improve public safety in the city."
Alternatives: "officials implemented" or "governing bodies approved".
To mark the introduction of the new Soviet constitution in 1977, the authorities adopted them.
That is why television authorities adopted such frequencies in the first place (see "Bigger than Wi-Fi", September 23rd 2010).
The script of Tunisia's transition was crafted back in spring when the country's interim authorities adopted an electoral system.
She called the meeting as the regional health and agricultural authorities adopted different positions after carrying out inspections.
After the case of the late Ferdinand E. Marcos of the Philippines took 12 years to resolve, Swiss authorities adopted a more streamlined process.
But the Communist authorities adopted a policy of telling Poles that they had always been victims of atrocities in the Nazi era, not collaborators or perpetrators.
Finally, their proposal would require that large public authorities adopt stronger guidelines for their corporate governance.
In areas where local authorities adopt this sort of draconian approach, you will have a ticking timebomb of headteacher shortages.
"The Welsh government would like to see all local authorities adopt kerbside sorting in order to achieve greater consistency of service across Wales".
"We have also emphasized that achieving success will depend on the authorities adopting a more comprehensive approach to counterterrorism...that ensures civilian populations are protected," a State Department spokesman told VICE News.
Their overall conclusion was that, despite an explicit desire from Government to have health authorities adopt an evidence-based resource allocation process, very slow progress has been made in that direction.
