B2, deep breath bud, deep breath.
I don’t think English is Flocks’ mother tongue and the fact that he’s simply trying to work out what’s possible given he’s only got experience of the Euro system, hasn’t come across.
Getting a company stamp in your logbook is standard issue and the norm throughout most of the rest of the world. We have other means here in the US, so it’s reasonable for him to ask why it’s not enough, if it’s all he’s ever had to do.
Oh and as far as PRIA is concerned, a US carrier only has to apply for records from a foreign carrier, they don’t actually have to receive anything in order to satisfy the PRIA requirements.