double click and it will take you to the back page - same place you find the 199a input

For US residents the amounts are included in box one, and you can leave the box blank, or you can double click and enter them in the popup. I usually leave them blank, as I don't do 1040NR

You can enter them if you want to, on the extra worksheet that you double click into from the entry line, its way down at the bottom below foreign tax..