Others have suggested programs which require domestic service or employment upon graduation.

No prior musical knowledge is required upon entry to the choir.

Immediate medical care is required upon the first signs of these side-effects.

For your own protection, this order will require an adult signature upon delivery.

The soldier's rifle was the very sort of tool required for an attack upon these bars.

Calls were required of junior officers upon their seniors when reporting for duty.

For the rest of the world, freedom requires infringements upon national sovereignty.

It wasn't an order yet, but he was placed on notice that his services might be required upon a moment's notice.

Most sites that require a payment upon usage attach some type of guarantee with their services.

Documentation of Yellow fever vaccination is required upon arrival from all countries.