Sales taxes in Canada are getting simpler but many merchants are still caught off guard. Thankfully the Canadian sales tax regime is simpler than in the US, but it still needs planning. GST/HST The GST is a federal tax. As a Canadian merchant, you are obligated to collect GST/HST for any taxable sale made in Canada. So yes, even if you are in Alberta, you need to collect 13% HST for sales shipped to Ontario. Merchants also need to stay informed about what is happening in other...