It is mandatory to save resources
Structural frame evaluating an action via the adjective 'mandatory'.
According to the new law, it is mandatory to save resources in public buildings.
—Why do they turn off the lights at that time? —It is mandatory to save resources by regulation.
The city council announced that it is mandatory to save resources during the drought.
According to the new law, it is mandatory to save resources in public buildings.
—Why do they turn off the lights at that time? —It is mandatory to save resources by regulation.
The city council announced that it is mandatory to save resources during the drought.