The instruction was that nobody be allowed to go to sleep until further orders.

（表语从句）指示要求，任何人不得在接到进一步的命令之前去睡觉。

Good. Would you mind telling him that due to some sudden changes, do not fill out any orders for NNC Corporation until further notice?

那就好，你可以告诉他，由于意外变化，在进一步通知之前，请勿给NNC公司发货。