Technically it is voluntary. You do not have to sign it, but in most states you get criminal record for not signing it.
Gov needs it to be "voluntary", or else they could be sued for compensations.
If there is a war, do not sign it!
Gov needs it to be "voluntary", or else they could be sued for compensations.
If there is a war, do not sign it!
Gov makes the law. They could just as easily make a law saying "no compensation shall ever be payable from anything todo with National Service"