Kick Single / Kick Dubs From Lib Legality?

[lovely.lily]

Hey there! I was wondering a little about the legality of kick singles and doubles from lib.

At what level can you ksingle or kdub from a prep, versus extension. And how many bases must be under the stunt?

Thanks so much!

 

[lovely.lily]

Oops, I just realized that I put this in the wrong section. Sorry everyone! Is there any way to delete it?