HST registration Recently, many people are self-employed in small businesses. Perhaps it is because of the high unemployment rate and the difficulty in finding a job, or perhaps it is because it is simple and convenient to operate. Self-employment has always been favored by everyone as a form of small business that can make money. However, self-employment is a business after all, and doing business will involve relatively complex income and expense calculations and financial requirements. Today we will talk about the HST registration issues of self-employed people.