I've seen both. When I wrote the post all the docs from the gateways I had access to called it the iin with a historical note on bin. I don't have access to tho

I've seen both. When I wrote the post all the docs from the gateways I had access to called it the iin with a historical note on bin. I don't have access to those docs anymore, though. Edit: I really need to check when posting from my phone