'high-level authorities' is an acceptable phrase in written English.
You could use it when referring to officials or representatives with a significant amount of power or authority. For example: "The high-level authorities of our country decided to pass a new law."
He evaded so many high-level authorities to come to this little town and get caught.
Participants are selected to represent all interest groups, project technical staff as well as high-level authorities, and community leaders.
"It's a dark day in our nation when high-level authorities will seek to use every method to silence dissent.
"China should raise with the Supreme Leader of the Democratic People's Republic of Korea and other high-level authorities the issues of abductions, the infanticide of children entitled to Chinese nationality, forced abortions imposed on repatriated women and other human rights violations that target persons repatriated from China.
Such processes must be spearheaded by dedicated high-level authorities who acknowledge the value of a national health research system and who are prepared to take advantage of emerging opportunities (financial and technical) to set it up.
The Guidelines of Regulation of Health Related Products, as mentioned by a few high-level authorities of MoHP, is expected to strengthen the quality monitoring of health related products, including injection equipment.
Sleep deprivation and stress positions could be used but only under special authorisation from a high-level authority.
Even if you convince the relevant high-level authority to permit tuk-tuks on the road, as e-Tuk USA has with the US Department of Transportation, three-wheeler drivers are likely to come up against taxi unions defending their precious territory.
In addition, "a high-level authority will be created to monitor the assets and interests of ministers, members of parliament, top elected officials", he said.
Though the upward shift is most striking among pedestrian fatalities, overall traffic deaths also remain at an alarmingly high level, authorities say.
(It is fairly common for Chinese citizens to travel to Beijing to petition higher level authorities to address their grievances because of the people's lack of trust in lower level governments, but petitions are considered unauthorized if they are "disturbing or disruptive," for instance). The media and public backlash forced the county mayor to apologize and revise the scoring system.
