I am not sure, at least it is the same on Amazon KDP. There are three situations as summarized in the above link:

* Creator doesn’t submit tax info.

* Creator submits tax info and claims a treaty benefit.

* Creator submits tax info, but is not eligible for a tax treaty.

You have to pay your taxes somewhere, if you don't tell Google that you pay them in your country, then Google is in charge to collect the taxes at least for the part concerning US users.