How to Default Tax from Supplier to Purchase Order in fusion

Summary: Customer requirement is to default the tax from Supplier level to Purchase Order. I have completed the below setup, however Tax Rate is not defaulting into Purchase Order but it works for Payables. Can someone please assist me which setup may be missing.

Go to Setup & Maintenance > Manage Suppliers > Edit Address UI > Transaction Tax Tab > Check checkbox for "Allow tax applicability" option is selected & also select the Tax Classification Code.

Go to Manage Party Tax Profile:

1.Search for Third Party Site Tax Profile - locate your Supplier Site - and in Controls and Default tab fill Tax Classification Code