With the introduction of HST in BC and Ontario to take place July 1st, 2010, eCommerce merchants have their work cut out for them to make sure they understand their requirements and their sites are ready. At first glance, it does not seem like a big deal. 5% GST and 7% PST is all rolled up into a 12% HST in BC and the 8% PST in Ontario is rolled up with GST for their 13% HST. Businesses submit one set of forms and government and business save millions in administrative hassle as PST fades...