This and whatever extent this goes to. You have to make sure you can prove that you bps are secure. If push comes to shove and someone comes over to check out your enclosure you want to be able to show that your responsible as a keeper and they wont get out. ie just having a book on a lid etc.
We all know bps are pretty harmless , but sometimes its tough to prove to the non-herp. Impression goes a long way.
Good luck.