mandatory

The government is also introducing further measures to tackle anti-social behaviour on buses, including mandatory training for staff on how to respond to incidents.

But she described Musk's goal to slash a third of government spending as "ridiculous", since so much of the budget was mandatory, including popular programmes like Social Security and Medicare.

Knife crime prevention is discussed in schools but is not mandatory.

According to a state Department of Education statement, the Department of Public Health oversees the California law that “outlines the rules for mandatory immunizations.”

It has also introduced mandatory training for all its politicians around the barriers women face in the justice system.