I need to purchase additional 1 return for turbo tax 2016

I have T 20 TURBO TAX 2016  BUT I NEED THREE MORE RETURNS TO FILE 

Self-employed

CRA only allows 20 returns to be filed by an individual. If you're filing more than 20 returns, CRA considers you to be a professional and as such you must purchase professional software and apply for an EFILE number.