taxomate currently supports:
amazon.com (United States)
amazon.com.au (Australia)
amazon.com.br (Brazil)
amazon.ca (Canada)
amazon.co.uk (United Kingdom)
amazon.fr (France)
amazon.de (Germany)
amazon.in (India)
amazon.it (Italy)
amazon.com.mx (Mexico)
amazon.nl (Netherlands)
amazon.sa (Saudi Arabia)
amazon.es (Spain)
amazon.sg (Singapore)
amazon.com.tr (Turkey)
amazon.ae (United Arab Emirates, Saudi Arabia, Kuwait, Egypt, Bahrain, Oman, and Qatar)
amazon.co.jp (Japan)