The word "required" is correct and usable in written English. You can use it to describe something that is necessary or must be done. For example: "Attendance at all meetings is required.".
At the time, players were allowed, but not required, to wear helmets, and most players chose to go helmet-less, despite the risk of severe head trauma.
It increased tobacco taxes, implemented a smoking ban in all enclosed public places and workplaces, required labels to have graphic warnings covering at least 65% of the pack and provided services to help people quit.
The CDC will be required to put poverty alleviation at the heart of its operations.
He was also required to pay a £52 victim surcharge.
As a result, aid agencies such as Unicef have forged links with foreign producers better able to produce these supplies at the scale, cost and quality required.
" The judge told Wright he was required by the Criminal Justice Act 2003 to determine whether life imprisonment, the only sentence for murder, should mean life or whether he should fix a minimum term.
"It required a heart-stopping flight from Kinshasa to the regional capital of Kisangani, then 350km down a jarring, one-rut bicycle path on the back of a motorcycle.
Awesome tool! I started using it one year ago and I never had to look for another app
Ha Thuy Vy
MA of Applied Linguistic, Maquarie University, Australia