Like the previous user, since I upgraded to PHP 8.1, it no longer works. The spinner just spins for the order total section on my site.

I’m also really amazed that this is the only plugin anywhere for Woocommerce that lets a guest user self-report their tax exemption to where it will take off the tax. That being said, I’m grateful to Bobbie for writing it. I had to originally modify this 5 years ago when I began using it and had had no issues in between until now.