How to setup Tax Configuration to get default tax lines in Purchase Order

Summary:

Urgent Help needed

Content (please ensure you mask any confidential information):

My requirement is -

For local suppliers while we are creating the PO, GST and PST values are coming automatically, but for foreign vendors, only PST values are coming(it was designed by the developer based on the client need)

But now client needs to change that and For Foreign vendors also they need both GST and PST values in PO, i have changed the Tax rules, but it's not working as expected,
I had created a word document with the screenshots, Can you please help me to check Is there anything i had missed during configuration.