The personnel responsible for the maintenance of order shall wear identification marks.

负责维持秩序的人员应当佩戴标志。

youdao

Maintenance of order is no easy job at this time.

这时候要维持秩序可不是件容易的事。

youdao

Also under international law, an occupying power has the responsibility for the restoration and maintenance of public order and safety.

CNN: Coalition to assert authority in Iraq

So it's always balancing between the maintenance of public order, on the other hand being a real host to the fans.

BBC

It is essential to the maintenance of good order and discipline that the UCMJ be preserved as the preeminent code of conduct for U.S. service personnel.

CENTERFORSECURITYPOLICY: Center For Security Policy