Just show your passport at the check-out counter, and sign the purchase proof document.

Visitors with a temporary stay status are eligible for tax-free shopping. So this means:

● Japanese citizens are not eligible.
● Not eligible if you are working in Japan.
● Not eligible if staying in Japan more than six months.

Japan's consumption tax rate is presently 8 percent. The tax is applied to essentially all domestic transactions (with some exceptions). The tax-free program exempts tourists from paying this tax, so you basically save 8 percent.