Complex sales tax almost seems inevitable, there are lots of similar services in the US, like https://www.taxjar.com/api/ https://www.taxjar.com/api/. One of t

Complex sales tax almost seems inevitable, there are lots of similar services in the US, like https://www.taxjar.com/api/ https://www.taxjar.com/api/. One of the things regulators want from a tax code is to stop large companies picking their jurisdiction to avoid sales tax, and therefore gain an unfair advantage. The MOSS is really annoying for microbusinesses, like musicians wanting to sell their album online, but compliance is easily handed off to an accountant for anyone working on such things full-time.