Does anyone have any documentation or guidance on implementing Canada GST for purchase Orders?

Summary:

Does anyone have any documentation or guidance on implementing Canada GST for purchase Orders?

Content (required):

Does anyone have any documentation or guidance on implementing Canada GST for purchase Orders?

Would appreciate any information on:

1. Implementing / configuring Canada GST for purchase orders
2. Process to handle partial shipments for a PO line that has GST
3. Does GST have to be received or can it be automatically added to a PO or invoice?
4. Can we restrict a Canadian PO from approval if GST is not there.

Version (include the version you are using, if applicable):

21C (11.13.21.07.0)

Code Snippet (add any code snippets that support your topic, if applicable):