Hello Jay,
if you enter the invoice with the tax code, then the tax gets posted to "Deductable Input Tax - other countries", which is displayed in the balance sheet.
If you like to enter the costs to the P&L instead, you can either enter the gross values and select "001 - Purchase out of scope" -> No Tax is displayed at all!
Or you enter the invoice with the tax and decide by end of month if you repost the tax to the product with a posting. (Use for this posting Tax Management -> Manual Tax Entries).
Best regards
Marlene