You have to take YEL if:
• The average value of your estimated work input is about 649€/month, meaning a minimum of EUR 7 799,37 (2019) over a 12-month period.
• Your light entrepreneurship is continuous meaning that your self-employment activities last for minimum of 4 consecutive months.
• You are 18–67 years old.
• You are not receiving old-age pension.