Mandate a minimum employment time off from work of 20 working days per year, excluding national holidays.

We are pretty much the only major nation that doesn't make it a requirement to let people have a set amount of time off from work, according to http://en.wikipedia.org/wiki/List_of_statutory_minimum_employment_leave_...

This would mandate that all employees would receive a minimum of 20 working days time off from work per year, excluding national holidays.