I'm in the US. Never had a permit, have never been asked for one, wouldn't pay a red cent for one if they were required.

I am sure there are places where such things are required, but, as someone mentioned some time ago, it's ALWAYS easier to ask forgiveness than permission.

I try not to block a doorway or any part of the sidewalk that would force people to have to go around me, and over 20 years I've never had an issue, and that after having performed in several states.

Good luck,

Big