Canadian customers of Netflix Inc. are theoretically obliged to pay sales taxes on this service, even though Netflix does not collect the tax up front, the Toronto Star quoted a federal official as saying. "In such cases, Canadian consumers are required to self-assess the amount of tax they owe to the Canada Revenue Agency,” a Finance Canada spokesperson, who did not want to be named, is quoted as saying in an article posted online Monday. Last week, Prime Minster Stephen Harper tweeted a video of himself speaking out against proposals for a "Netflix tax," and accused...