Thirty-four years after the GST was introduced amid a public outcry the federal sales tax remains complicated and stressful for small businesses that collect it, says in-house Canada Revenue Agency research. The vast majority of businesspeople surveyed said acting as federal tax collectors was so complicated they had to hire accountants to manage the paperwork: “Descriptions included words like ‘complicated,’ ‘stressful,’ ‘painful,’ ‘frustrating’ and ‘overwhelming.’”