I am going to Japan on JET this summer. I heard that in the past you needed to get a visa/permission to exit the country and enter again (on breaks/holidays). How does that work? Is it still needed? How long does it take to process? How long does it last for (one year only?)?

I am going to Japan on JET this summer. I heard that in the past you needed to get a visa/permission to exit the country and enter again (on breaks/holidays). How does that work? Is it still needed? How long does it take to process? How long does it last for (one year only?)?

by RUNNINGMANALT