Why We Open-Sourced a Japanese Accommodation Tax Calculator
Every few months I get the same message from another operator: “wait, how much accommodation tax am I supposed to be charging in [city]?” And every time, the honest answer is “it depends which city, which band, and whether you’re calculating off the room rate or the total price.” That inconsistency across Japan is annoying enough that we ended up writing code to solve it for ourselves — and then decided to open-source it.