You are right there are definitely some oddities.
However, the primary ship to is #1 and it is different than the bill to address with the PO Box.
On this order that is screen shot, the ship to is BLANK and the OTS is enabled and completed. There are no releases and in fact on the releases tab the address that was entered in the OTS tab is in fact the address that is showing.
It is when you go to customer shipment entry that seemingly ignores the OTS check box and address and only pulls in the primary ship to.
I wasn’t sure if anyone else ran into this and/or has suggestions to not have this happen.
I’ve attached some images.
First is DESELECTING OTS to show you what primary ship to #1 looks like:
This image is the OTS ship selected:
This image is the OTS ship selected view from the Releases tab: